LK4003-9PD3_技术文档

Cassette Style

150 Watt AC-DC Converters

K Series PFC

150 Watt AC-DC Converters with PFC

K-Series

Input voltage range from 85...255 V AC

1or 2 isolated outputs up to 48 V DC

4 kV AC I/O electric strength test voltage

• Universal input voltage range

• Power factor >0.95, harmonics <IEC/EN 61000-3-2

• Input over- and undervoltage lock-out

• Efﬁcient input ﬁlter and built-in surge and transient

suppression circuitry

• Fully isolated outputs

• Outputs overload, open- and short-circuit proof

• No derating over entire operating temperature range

Safety according to IEC/EN 60950

LGA

111

4.4"

3 U

80

168

6.6"

3.2"

16 TE

Summary

The K 4000/5000-series of AC-DC converters represents a

ﬂexible range of power supplies for use in advanced elec-

tronic systems. Features include full power factor correc-

tion, high efﬁciency, high reliability, low output voltage noise

and excellent dynamic response to load/line changes.

agencies LGA (Germany) and UL (USA). The UL Mark for

Canada has been ofﬁcially recognized by regulatory au-

thorities in provinces across Canada.

The converter inputs are protected against surges and tran-

sients occurring at the source lines. An input over- and

undervoltage lock-out circuitry disables the outputs if the

input voltage is outside the speciﬁed ranges. Inrush current

limitation is included preventing circuit breakers and fuses

from being damaged at switch-on.

The case design allows operation at nominal load up to

71°C in a free air ambient temperature. If forced cooling is

provided, the ambient temperature may exceed 71°C but

the case temperature must remain below 95°C under all

conditions.

A temperature sensor generates an inhibit signal which

disables the outputs if the case temperature T_Cexceeds

the limit. The outputs are automatically re-enabled when

the temperature drops below the limit.

All outputs are overload, open- and short-circuit proof and

are protected against overvoltages by means of a built-in

suppressor diode. The outputs can be inhibited by a logic

signal applied to the connector pin 18 (i). If the inhibit func-

tion is not used pin 18 must be connected with pin 14 to en-

able the outputs.

Various options are available to adapt the converters to in-

dividual applications.

LED indicators display the status of the converter and allow

visual monitoring of the system at any time.

The modules may either be plugged into 19 inch rack sys-

tems according to DIN 41494, or be chassis mounted.

Full input to output, input to case, output to case and output

to output isolation is provided. The modules are designed

and built according to the international safety standards

IEC/EN 60950 and have been approved by the safety

Important: These products are intended to replace the

LK 1000 and LK 2000 in order to comply with IEC/EN

61000-3-2.

Table of Contents

Page

Summary .......................................................................... 1

Type Survey and Key Data .............................................. 2

Type Key .......................................................................... 2

Functional Description...................................................... 3

Electrical Input Data ......................................................... 4

Electrical Output Data ...................................................... 6

Auxiliary Functions ......................................................... 12

Electromagnetic Compatibility (EMC) ............................ 16

Immunity to Environmental Conditions........................... 17

Mechanical Data ............................................................ 18

Safety and Installation Instructions ................................ 19

Description of Options .................................................... 22

Accessories .................................................................... 28

Edition 01/01.2001

1/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

Type Survey and Key Data

Non standard input/output configurations or special custom adaptions are available on request. See also: Commercial In-

formation: Inquiry Form for Customized Power Supply.

¹Efﬁciency at U_{i nom}and I_{o nom}

.

Table 1: Type survey LK

²If the output voltages are increased

above U_{o nom}via R-input control, op-

tion P setting, remote sensing or op-

tion T, the output currents must be

reduced accordingly so that P_{o nom}is

not exceeded.

Output 1

Output 2

Input voltage range and efﬁciency ¹

Options

U_{o nom}

[V DC]

I_{o nom}

[A] ²

U_{o nom}

[V DC]

I_{o nom}

[A] ²

U_{i min}...U_{i max}

85...255 V AC ⁷

h_min

[%]

5.1

25.0

12.0

10.0

6.0

-

LK 4003-6R ⁶

LK 4301-7R

LK 4501-7R

LK 4601-7R

78

85

86

-9

E

D

V ⁵

P

T

B1

B2

³Series connection of output 1 and 2

see: R-Function for different output

configurations.

12.0

15.0

24.0

⁴Second output semi-regulated.

⁵Option V for K 4003 types only.

⁶LK 4003-6R types are speciﬁed for a

max. ambient temperature T_A= 60°C

and a max. case temperature T_C=

90°C. (see: Output power derating).

⁷For DC-input please ask your local

Power-One partner.

24.0 ³

30.0 ³

48.0 ³

6.0

5.0

3.0

-

LK 5320-7R

LK 5540-7R

LK 5660-7R

83

84

12.0

15.0

24.0

6.0

5.0

3.0

12.0 ⁴

15.0 ⁴

24.0 ⁴

6.0

5.0

3.0

LK 5320-7R

LK 5540-7R

LK 5660-7R

83

84

Type Key

L K 5 5 40 -7 E R P D V T B1

Input voltage range U_i: 85…255 V AC ............................. L

Series ...............................................................................K

Number of outputs (4 for single, 5 for double outputs) 4...5

Single output units:

Nominal voltage output 1 (main output), U_{o1 nom}

5.1 V .................................................... 0, 1, 2

12 V ............................................................. 3

15 V ......................................................... 4, 5

24 V ............................................................. 6

other voltages .......................................... 7, 8

Other speciﬁcations for single output modules ....... 01...99

Symmetrical double output units:

Nominal voltage output 1/output 2, U_{o1/2 nom}

12 V/12 V ¹(24 V series connection) ......... 20

15 V/15 V ¹(30 V series connection) ......... 40

24 V/24 V ¹(48 V series connection) ......... 60

other symmetrical voltages ................. 70...99

Operational ambient temperature range T_A:

–25…71°C .................................................. -7

–40…71°C .................................................. -9

–25…60°C .................................................. -6

customer speciﬁc ................................... 0...-6

Auxiliary functions and options:

Inrush current limitation ...............................E

Output voltage control input ........................ R ²

Potentiometer (output voltage adjustment) ..P ²

Save data signal (D0...DD, to be speciﬁed) D ³

ACFAIL signal (V2, V3)................................V ^{3, 4}

Current sharing ............................................ T

Cooling plate standard case ......................B1

Cooling plate for long case 220 mm .......... B2

¹External wiring of main and second output depending upon the desired output conﬁguration (see: R-Function for different output con-

figurations.

²Feature R excludes option P and vice versa.

⁴Option V for LK 4000 types with 5 V outputs.

³Option D excludes option V and vice versa.

Example:

LK 5540-7PD3: Power factor corrected AC-DC converter, input voltage range 85...255 V AC, double output,

each providing 15 V/5 A, equipped with potentiometer and undervoltage monitoring option. Ambient tempera-

ture –25...71°C.

Edition 01/01.2001

2/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

Functional Description

output ﬁlter. The control logic senses the main output volt-

age U_o1and generates, with respect to the maximum ad-

missible output currents, the control signal for the primary

switching transistor.

The input voltage is fed via an input fuse, an input ﬁlter, a

rectiﬁer and an inrush current limiter to a single transistor

boost converter. This converter provides a sinusoidal in-

put current (IEC/EN 61000-3-2, class D equipment) and

sources a capacitor with a voltage of 360-370 VDC. This

capacitor sources a single transistor forward converter.

The second output of double output units is controlled by

the main output but has independent current limiting. If the

main output is driven into current limitation, the second out-

put voltage will fall as well and vice versa.

Each output is powered by a separate secondary winding

on the main transformer. The resultant voltages are recti-

ﬁed and their ripples smoothed by a power choke and an

P

03001

16

18

20

22

12

4

R

i

D/V

T

S+

Y

26

28

N

1

3

Y

Vo+

C_i

+

6

4

8

Vo–

10

2

30

32

P~

14 S–

Y

24

–

+

Fig. 1

Block diagram of single output converters LK 4000

P

03002

16

R

26

28

18 i

Y

N~

D

20

22

T

1

3

Y

C_i

+

12

Vo1+

4

14

4

6

Vo1–

Y

2

Vo2+

30

32

P~

8

10

Vo2–

Y

24

–

+

Fig. 2

Block diagram of symmetrical double output converters LK 5000

¹Transient suppressor (VDR).

²Inrush current limiter (NTC or option E), -9 versions exclude the NTC.

³Input fuse.

⁴Hold-up capacitor.

Edition 01/01.2001

3/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

Electrical Input Data

General Conditions

– T_A= 25°C, unless T_Cis speciﬁed.

– Pin 18 connected to pin 14, U_oadjusted to U_{o nom}(option P); R input not connected.

– Sense line pins S+ and S– connected to Vo+ and Vo– respectively.

Table 2: Input data

Input

LK

Characteristics

Conditions

min

85

typ

max

255

Unit

U_i

Operating input voltage I_o= 0…I_{o nom}

T_{C min}…T_{C max}

V AC ^{3, 4}

U_{i nom}Nominal input voltage

230

0.8

9.0

3.5

1

I_i

Input current

U_{i nom}, I_{o nom}

A_rms

W

P_{i o}

P_{i inh}

R_i

No-load input power

Idle input power

Input resistance

U_{i min}…U_{i max}

unit inhibited

T_C= 25°C

10

5

480

mΩ

µF

R_NTCNTC resistance ²

C_iInput capacitance

3200 4000

80

100

B

120

U_{i RFI}Conducted input RFI

Radiated input RFI

EN 55022

U_{i nom}, I_{o nom}

B

U_{i abs}Input voltage limits

(without damage)

–400

400

V DC

V_P

¹With double output modules, both outputs loaded with I_{o nom}

.

²Valid for -7, -6, versions with NTC, (-9 versions exclude the NTC). Initial switch-on cycle. Subsequent switch-on/off cycles increase the

inrush current peak value.

³AC frequency range 47...63 Hz.

⁴For DC-input please ask your local Power-One partner

Input Fuse

Reverse Polarity Protection

A fuse mounted inside the converter protects the module

against severe defects. (If operated from a DC-source this

fuse may not fully protect the module when the input volt-

age exceeds 200 V DC! In applications where the convert-

ers operate at source voltages above 200 V DC an external

fuse or a circuit breaker at system level should be in-

stalled!)

Should the input voltage to the unit be supplied from a DC

source the built-in bridge rectiﬁer provides reverse polarity

protection.

Inrush Current Limitation

The modules of the versions -7, -6, incorporate an NTC re-

sistor in the input circuitry which - at initial turn on - reduces

the peak inrush current value by a factor of 5...10 to protect

connectors and switching devices from damage. Subse-

quent switch-on cycles within short periods will cause an

increase of the peak inrush current value due to the warm-

ing-up of the NTC resistor. See also: E option.

Table 3: Fuse Speciﬁcation

Module

Fuse type

Fuse rating

LK4/5000 ¹slow-blow

SP T

4 A, 250 V

¹Fuse size 5 × 20 mm

Inrush Current Peak Value

Input Under-/Overvoltage Lock-out

The inrush current peak value (initial switch-on cycle) can

be determined by following calculation:

If the input voltage remains below approx. 65 V AC or ex-

ceeds approx. 280 V AC an internally generated inhibit sig-

nal disables the output(s). When checking this function the

absolute maximum input voltage rating U_{i abs}should be

considered! Between U_{i min}and the undervoltage lock-out

level the output voltage may be below the value defined in

table: Output data (see: Technical Information: Measuring

and Testing).

U_{i rms}• √2

I_{inr p}= ––––––––––––––––

(R_{s ext}+ R_i+ R_NTC

)

04001

R_{s ext}I_{inr p}

R_i

R_NTC

C_i

U_{i rms}

Input Transient Protection

A VDR together with the input fuse and a symmetrical input

ﬁlter form an effective protection against high input tran-

sient voltages.

Fig. 3

Equivalent circuit diagram for input impedance

Edition 01/01.2001

4/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

Input Inrush Current Characteristic

Static Input current Characteristic

I_inr[A]

l_i[A_rms

]

04002

04006

3

2.5

2

130

100

1.5

1

U_i= 255 V_rms

U_i= 115 V_rms

U_i[V AC]

300

0.5

50

100

150

200

250

Fig. 6

50

1

Input current versus input voltage at I_{o nom}

0

1

2

3 t [ms]

Fig. 4

Theoretical input inrush current versus time at U_i255 V_rms

and 115 V_rms, R_ext= 0

Harmonic Currents

Power Factor, Harmonics

The harmonic distortion is well below the limits specified in

IEC/EN 61000-3-2, class D.

Power factor correction is achieved by controlling the input

current waveform synchronously with the input voltage

waveform. The power factor control is active under all oper-

ating conditions.

I [mA/W]

i

04042

3.5

Power Factor

3.0

04004

1

Limit class D according

to IEC/EN 61000-3-2

2.5

0.95

2.0

1.5

1.0

0.5

0.9

U_i= 230 V AC

0.85

U_i= 85 V AC

0.8

0.75

0.7

Harm.

0

3

5

7

9

11

13 15

17 19

0.2

0.4

0.6

0.8

1

I_o/I_{o nom}

0

Fig. 5

Fig. 7

Harmonic currents at the input, IEC/EN 61000-3-2, class D. Power factor versus output power at U_i230 V AC and

U_i= U_{i nom}, I_o= I_{o nom}

.

85 V AC.

Edition 01/01.2001

5/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

Electrical Output Data

General Conditions

– T_A= 25°C, unless T_Cis speciﬁed.

– Pin 18 (i) connected to pin 14 (S–/Vo1–), U_oadjusted to U_{o nom}(option P), R input not connected.

– Sense line pins 12 (S+) and 14 (S–) connected to 4 (Vo1+) and 8 (Vo1–) respectively.

Table 4a: Output data single output modules

Output

LK 4003-6

5.1 V

LK 4301

12.0 V

LK 4501

15.0 V

LK 4601

24.0 V

Characteristics

Conditions

min typ max min typ max min typ max min typ max Unit

U_o

Output voltage

Overvoltage protection

U_{i nom}, I_{o nom}

5.07

5.13 11.93

12.07 14.91

15.09 23.86

24.14

V

U_{o P}

7.6

21

26.5

10.0

43.5

6.0

I_{o nom}Output current ¹

U_{i min}...U_{i max}

T_{C min}...T_{C max}

25.0

12.0

A

I_oL

u_o

Output current limit ⁴

U_{i min}...U_{i max}

26

12.2

10.2

6.2

7

Output Low frequency U_{i nom}, I_{o nom}

2

5

2

5

2

5

mV_pp

voltage

noise

IEC/EN 6120

BW = 20 MHz

Switching freq.

Total

15

50

40

50

DU_{o u}Static line regulation

U_{i min}...U_{i nom}

U_{i nom}...U_{i max}

I_{o nom}

,

±5

±12

±15

±24 mV

DU_{o I}Static load regulation

U_{i nom}, I_o=

(0.1...1) I_{o nom}

20

24

30

48

5

u_{o d}

Dynamic

load

regulation

Voltage

deviation

U_{i nom}

I

IEC/EN 61204

±170

0.3

±150

0.4

±150

0.4

±100

0.3

_{o nom}↔¹/

2

I_{o nom}

5

t_d

Recovery

time

ms

a_Uo

Temperature coefﬁcient T_{C min}...T_{C max}

of output voltage ⁶

0...I_{o nom}

–0.5

–1.5

mV/K

¹If the output voltages are increased above U_{o nom}through R-input control, option P setting, remote sensing or option T, the output cur-

rents should be reduced accordingly so that P_{o nom}is not exceeded.

⁴See: Typical Output Voltage Regulation of Single or Double Output Modules with Outputs 1 and 2 Connected in Series.

⁵See: Typical dynamic load regulation of U_o1and U_o2

.

⁶Negative temperature coefﬁcient (0...–3 mV/cell and K) available on request.

⁷Measured according to IEC/EN 61204 sub clause 3.10 with a probe acc. to annex A of the same standards. (See: Technical Informa-

tion: Measuring and Testing.)

Edition 01/01.2001

6/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

Table 4b: Output data double output modules

Output

LK 5320

24 V (2 × 12 V)

LK 5540

30 V (2 × 15 V)

LK 5660

48 V (2 × 24 V)

(Outputs connected in Series)

Characteristics

Conditions

min

typ

24.0

38

max

min

typ

30.0

48

max

min

typ

48.0

74

max

Unit

V

U_o

Output voltage ²

Overvoltage protection

U_{i nom}, I_{o nom}

U_{o P}

I_{o nom}Output current ¹

U_{i min}...U_{i max}

T_{C min}...T_{C max}

6.0

5.0

3.0

A

I_oL

u_o

Output current limit ⁴

U_{i min}...U_{i max}

6.2

5.2

3.2

7

Output Low frequency U_{i nom}, I_{o nom}

3

5

mV_pp

voltage

noise ³

IEC/EN 61204

BW = 20 MHz

Switching freq.

Total

15

20

100

180

DU_{o U}Static line regulation

U_{i min}...U_{i nom}

U_{i nom}...U_{i max}

I_{o nom}

±12

±15

±24

mV

DU_{o I}Static load regulation

U_{i nom}, I_o=

(0.1...1) I_{o nom}

48

60

96

5

u_{o d}

Dynamic

load

regulation

Voltage

deviation

U_{i nom}

I

IEC/EN 61204

±250

0.3

±200

0.3

±150

0.3

_{o nom}↔¹/

2

I_{o nom}

5

t_d

Recovery

time

ms

a_Uo

Temperature coefﬁcient T_{C min}...T_{C max}

of output voltage ⁶

0...I_{o nom}

–2.2

–2.6

mV/K

¹If the output voltages are increased above U_{o nom}through R-input control, option P setting, remote sensing or option T, the output cur-

rents should be reduced accordingly so that P_{o nom}is not exceeded.

²Series connection for U_{o nom}= 24 V, 30 V or 48 V, see: R-Function for different output configurations.

³Shortest possible wiring for series connection at the connector.

⁴See: Typical Output Voltage Regulation of Single or Double Output Modules with Outputs 1 and 2 Connected in Series.

⁵See: Typical dynamic load regulation of U_o1and U_o2

.

⁶Negative temperature coefﬁcient (0...–3 mV/cell and K) available on request.

⁷Measured according to IEC/EN 61204 sub clause 3.10 with a probe acc. to annex A of the same standards. (See: Technical Informa-

tion: Measuring and Testing.)

Edition 01/01.2001

7/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

Table 4c: Output data double output modules

Output

LK 5320

12 V/12 V

LK 5540

15 V/15 V

(Outputs independently loaded) ¹

Characteristics

Conditions

Output 1

Output 2

Output 1

Output 2

min typ max min typ max min typ max min typ max Unit

2

U_o

Output voltage

Overvoltage protection

U_{i nom}, I_{o nom}

11.93

6.2

12.07 11.82

12.18 14.91

15.09 14.78

15.22

V

A

U_{o P}

19

24

I_{o nom}Output current ³

U_{i min}...U_{i max}

T_{C min}...T_{C max}

6.0

5.0

I_oL

u_o

Output current limit ⁴

U_{i min}...U_{i max}

6.2

5.2

8

Output Low frequency U_{i nom}, I_{o nom}

3

mV

pp

voltage

noise

IEC/EN 61204

BW = 20 MHz

Switching freq.

Total

12

80

12

40

10

40

100

DU_{o U}Static line regulation

U_{i min}...U_{i nom}

U_{i nom}...U_{i max}

I_{o nom}

±12

±15

±15 mV

5

DU_{o I}Static load regulation

U_{i nom}, I_o=

(0.1...1) I_{o nom}

48

60

5

6

u_{o d}

Dynamic

load

regulation

Voltage

deviation

U_{i nom}

±100

0.3

±100

0.3

I_{o nom}↔ ¹/

2

I_{o nom}

IEC/EN 61204

6

t_d

Recovery

time

ms

a_Uo

Temperature coefﬁcient T_{C min}...T_{C max}

of output voltage ⁷

0...I_{o nom}

–1.5

mV/K

¹Depending upon the desired output conﬁguration the wiring should be made as shown in: R-Function for different output configura-

tions.

²Same conditions for both outputs.

³If the output voltages are increased above U_{o nom}via R-input control, option P setting, remote sensing or option T, the output currents

should be reduced accordingly so that P_{o nom}is not exceeded.

⁴See: Typical Output Voltage Regulation of Single or Double Output Modules with Outputs 1 and 2 Connected in Series.

⁵Condition for speciﬁed output. Other output loaded with constant current I_o= I_{o nom}. See ﬁg.: Output voltage regulation of double output

units.

⁶See: Typical dynamic load regulation of U_o1and U_o2

.

⁷Negative temperature coefﬁcient (0...–3 mV/cell and K) available on request.

8

Measured according to IEC/EN 61204 sub clause 3.10 with a probe acc. to annex A of the same standards. (see: Technical Informa-

tion: Measuring and Testing)

Edition 01/01.2001

8/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

Table 4d: Output data double output modules

Output

LK 5660

24 V/24 V

(Outputs independently loaded) ¹

Characteristics

Conditions

Output 1

Output 2

min typ max min typ max Unit

2

U_o

Output voltage

Overvoltage protection

U_{i nom}, I_{o nom}

23.86

3.2

24.14 23.64

24.36

V

A

U_{o P}

37

I_{o nom}Output current ³

U_{i min}...U_{i max}

T_{C min}...T_{C max}

3.0

I_oL

u_o

Output current limit ⁴

U_{i min}...U_{i max}

3.2

8

Output Low frequency U_{i nom}, I_{o nom}

3

mV

pp

voltage

noise

IEC/EN 61204

BW = 20 MHz

Switching freq.

Total

10

40

100

DU_{o U}Static line regulation

U_{i min}...U_{i nom}

U_{i nom}...U_{i max}

,

±24

±24 mV

I_{o nom}

5

DU_{o I}Static load regulation

U_{i nom}, I_o=

(0.1...1) I_{o nom}

96

5

6

u_{o d}

Dynamic

load

regulation

Voltage

deviation

U_{i nom}, I_o=

±80

0.3

I_{o nom}↔ ¹/

2

I_{o nom}

IEC/EN 61204

6

t_d

Recovery

time

ms

a_Uo

Temperature coefﬁcient T_{C min}...T_{C max}

of output voltage ⁷

0...I_{o nom}

–1.5

mV/K

¹Depending upon the desired output conﬁguration the wiring should be made as shown in: R-Function for different output configura-

tions.

²Same conditions for both outputs.

³If the output voltages are increased above U_{o nom}via R-input control, option P setting, remote sensing or option T, the output currents

should be reduced accordingly so that P_{o nom}is not exceeded.

⁴See: Typical Output Voltage Regulation of Single or Double Output Modules with Outputs 1 and 2 Connected in Series.

⁵Condition for speciﬁed output. Other output loaded with constant current I_o= I_{o nom}. See ﬁg.: Output voltage regulation of double output

units.

⁶See: Typical dynamic load regulation of U_o1and U_o2

.

⁷Negative temperature coefﬁcient (0...–3 mV/cell and K) available on request.

8

Measured according to IEC/EN 61204 sub clause 3.10 with a probe acc. to annex A of the same standards. (See: Technical Informa-

tion: Measuring and Testing.)

Edition 01/01.2001

9/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

Thermal Considerations

Parallel or Series Connection of Units

If a converter is located in free, quasi-stationary air (con-

vection cooling) at the indicated maximum ambient tem-

perature T_{A max}(see table: Temperature specifications) and

is operated at its nominal input voltage and output power,

the temperature measured at the Measuring point of case

temperature T_C(see: Mechanical Data) will approach the

indicated value T_{C max}after the warm-up phase. However,

the relationship between T_Aand T_Cdepends heavily on the

conditions of operation and integration into a system. The

thermal conditions are influenced by input voltage, output

current, airflow and temperature of surrounding compo-

Single or double output units with equal nominal output volt-

age can be connected in parallel without any precautions

using option T.

With option T (current sharing), all units share the current

approximately equally.

Single output units and/or main and second outputs of dou-

ble output units can be connected in series with any other

(similar) output.

Note:

– Parallel connection of double output units should always

include both, main and second output to maintain good

regulation of both outputs.

nents and surfaces. T_{A max}is therefore, contrary to T_{C max}

,

an indicative value only.

– Not more than 5 units should be connected in parallel.

Caution: The installer must ensure that under all operat-

ing conditions T_Cremains within the limits stated in the

table: Temperature specifications.

– Series connection of second outputs without involving

their main outputs should be avoided as regulation may

be poor.

Notes: Sufficient forced cooling or an additional heat sink

allows T_Ato be higher than 71°C (e.g. 85°C) if T_{C max}is not

exceeded.

– The maximum output current is limited by the output with

the lowest current limitation if several outputs are con-

nected in series.

For -7 or -9 units at an ambient temperature T_Aof 85°C with

only convection cooling, the maximum permissible current

for each output is approx. 40% of its nominal value as per

figure.

Efﬁciency versus Load

Efficiency

05007

0.90

It is recommended that continuous operation under simulta-

neous extreme worst case conditions of the following three

parameters be avoided: Minimum input voltage, maximum

output power and maximum temperature.

0.80

U_i= 230 V AC

U_i= 85 V AC

0.70

0.60

-6 versions have reduced T_Aand T_C

0.50

0.40

0.30

I_o/I_{o nom}

convection cooling forced cooling

05139

1.00

0.9

0

0.2

0.4

0.6

0.8

1 I_o/I_{o nom}

0.8

Fig. 9

-7

-6

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0

Efﬁciency versus load at U_i; 230 V AC and 88 V AC

T_{C max}

Switching Frequency versus Load

-6 -7

Frequency [kHz]

05008

80

70

60

T_A[°C]

T_{A min}

50

60

70

80

90

100

Fig. 8

50

40

30

20

10

0

Output current derating versus temperature for –7 and –9

units.

Thermal Protection

A temperature sensor generates an internal inhibit signal

which disables the outputs if the case temperature exceeds

T_{C max}. The outputs are automatically re-enabled if the tem-

perature drops below this limit.

0.2

0.4

0.6

0.8

1

1.2

load [I_o/I_{o nom}

0

]

Fig. 10

Switching frequency versus load. (The boost converter at

the input stage has a ﬁxed frequency of 100 kHz)

Output Protection

Each output is protected against overvoltage which could

occur due to a failure of the control circuit by means of a

voltage suppressor diode which, under worst case condi-

tions, may become a short circuit. The suppressor diodes

are not designed to withstand externally applied over-

voltages. Overload at any of the two outputs will cause a

shut-down of both outputs. A red LED indicates the over-

load condition.

Edition 01/01.2001

10/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

Output Voltage Regulation of Single or Double Output

Output Voltage Regulation of Double Output Modules

Modules with Outputs 1 and 2 Connected in Series

Output 1 is under normal conditions regulated to U_{o1 nom}

independent of the output currents.

,

U_o

U_{o nom}

05001

U_o2is dependent upon the load distribution. If both outputs

are loaded with more than 10% of I_{o nom}, the deviation of U_o2

remains within ±5% of the value of U_o1. The following 3

ﬁgures show the regulation with varying load distribution. If

I_o1= I_o2or the two outputs are connected in series, the de-

viation of U_o2remains within ±1% of the value of U_o1pro-

vided that a total load of more than 10% of I_{o nom}is applied.

0.98

0.5

I_o1

Two outputs of a single K 5000 module connected in paral-

lel will behave like the output of a K 4000 module; the paral-

leled output is fully regulated. No precautions are neces-

sary in using the R-input and the test sockets.

I_oL

I_o

I_{o nom}

[V] U_o2

0

0.5

1.0

05002

13

Fig. 14

_o1vs. I_o1(typ.) of single output units

I_o1=100%

I_o1= 50%

I_o1= 10%

U

12.5

Dynamic Load Regulation

12.0

11.5

11

05005

U_o1

U_o1d

U_r

U_o1d

10.5

t_d

0.4

0.6

0.8

0

0.2

1

I_o2/I_{o2 nom}

t

Fig. 11

U_o2

LK 5320: DU_o2(typ.) vs. I_o2with different I_o1

U_o2d

[V] U_o2

t

05003

I_o1/I_{o1 nom}

I_o2/I_{o2 nom}

16.5

I_o1= 100%

1

I_o1

=

50%

10%

16

15.5

15

0.5

<10 µs

0

Fig. 15

Typical dynamic load regulation of U_o1and U_o2.

14.5

14

Hold-up Time versus Output Power

13.5

time [ms]

05006

0

0.2

0.4

0.6

0.8

1

I_o2/I_{o2 nom}

180

160

140

120

100

80

Fig. 12

LK 5540: DU_o2(typ.) vs. I_o2with different I_o1

[V] U_o2

27

05004

I_o1= 100%

I_o1

=

50%

10%

26

25

24

23

22

21

60

40

20

0

0.2

0.4

0.6

0.8

1

I_o/I_{o nom}

Fig. 16

Hold-up time t_hversus output power

0.4

0

0.2

0.6

0.8

1

I_o2/I_{o2 nom}

Fig. 13

LK 5660: DU_o2(typ.) vs. I_o2with different I_o1

Edition 01/01.2001

11/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

Auxiliary Functions

i Inhibit for Remote On and Off

06001

U_o/U_{o nom}

1

Note: With open i input: Output is disabled (U_o= off).

The outputs of the module may be enabled or disabled by

means of a logic signal (TTL, CMOS, etc.) applied between

the inhibit input i and the negative pin of output 1 (Vo1–). In

systems with several units, this feature can be used, for ex-

ample, to control the activation sequence of the converters.

If the inhibit function is not required, connect the inhibit pin

18 to pin 14 to enable the outputs (active low logic, fail safe).

For output response refer to: Hold-up Time and Output Re-

0.1

0

t

t_f

t_r

Inhibit

1

t

0

sponse.

06031

Fig. 19

Vo+

i

Output response as a function of inhibit control

Vi+

I_inh

Sense Lines

U_inh

(Only for single output units 5.1 V, 12 V, 15 V, 24 V)

This feature enables for compensation of voltage drops

across the connector contacts and if necessary, across the

load lines. If the sense lines are connected at the load

rather than directly at the connector, the user should ensure

that U_{o max}(between Vo1+ and Vo1–) is not exceeded. We

recommend connecting the sense lines directly at the fe-

male connector.

Vo–

Vi–

Fig. 17

Definition of U_inhand I_inh

.

I_inh[mA]

U_inh= 2.4 V

U

_inh= 0.8 V

2.0

1.6

1.2

For further information, please refer to: Application Notes.

To ensure correct operation, both sense lines (S+ and S–)

should be connected to their respective power outputs

(Vo1+ and Vo1–) and the voltage difference between any

sense line and its respective power output pin (as meas-

ured on the connector) should not exceed the following val-

ues:

0.8

0.4

U_o= on

U_o= off

0

–0.4

–0.8

Table 6: Maximum Voltage compensation allowed using

sense lines

Output

voltage

Total voltage difference Voltage difference

U_inh[V]

–50

–30

–10

0

10

30

50

between sense lines and

their respective outputs

between

Vo– and S–

Fig. 18

Typical inhibit current I_inhversus inhibit voltage U_inh

Table 5: Inhibit characteristics

5.1 V

<0.5 V

<1.0 V

<0.25 V

12 V, 15 V

If the output voltages are increased above U_{o nom}via R-in-

put control, option P setting, remote sensing or option T, the

output currents must be reduced accordingly so that

P_{o nom}is not exceeded.

Characteristic

Conditions min typ max Unit

U_inhInhibit U_o= on U_{i min}…U_{i max}–50

0.8

50

V

voltage

U_o= off

2.4

I_inhInhibit current

U_inh= 0

–400 µA

Important: The output terminals Vo1+ and Vo1– must

always be connected to the load before connecting the

sense lines S+ and S–, otherwise the unit will be dam-

aged.

t_r

t_f

Rise time

Fall time

30

depending on I_o

ms

Edition 01/01.2001

12/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

Programmable Output Voltage (R-Function)

As a standard feature, the modules offer an adjustable out-

put voltage, identiﬁed by letter R in the type designation.

The control input R (pin 16) accepts either a control voltage

U_extor a resistor R_extto adjust the desired output voltage.

When not connected, the control input automatically sets

Remarks:

– The R-Function excludes option P (output voltage adjust-

ment by potentiometer).

– If the output voltages are increased above U_{o nom}via R-

input control, option P setting, remote sensing or option

T, the output current(s) should be reduced accordingly so

that P_{o nom}is not exceeded.

the output voltage to U_{o nom}

.

a) Adjustment by means of an external control voltage U_ext

between pin 16 (R) and pin 14:

– The R-input (as well as option P) is related to the main

output.

The control voltage range is 0...2.75 V DC and allows an

output voltage adjustment in the range of approximately

– With double output units the second output follows the

value of the controlled main output. Resistor values as

indicated for the single output units should be used.

0...110% U_{o nom}

U

.

U_ext= –––^o––– • 2.5 V (approximate formula)

U_{o nom}

– For correct output voltage adjustment of double output

units the external wiring of the outputs should be accord-

ing to: R-function for different output configurations de-

pending upon the desired output conﬁguration.

b) Adjustment by means of an external resistor:

Depending upon the value of the required output voltage

the resistor shall be connected

either: Between pin 16 and pin 14 (U_o< U_{o nom}) to

achieve an output voltage adjustment range of approxi-

mately 0...100% U_{o nom}

– In case of parallel connection the output voltages should

be individually set within a tolerance of 1...2%.

06003

Vo1+

N

or: Between pin 16 and pin 12 (U_o> U_{o nom}) to achieve

an output voltage adjustment range of approximately

R

+

16

14

100...110% U_{o nom}

.

Module

U_ext

S–

Warning:

– U_extshall never exceed 2.75 V DC.

– The value of R'_extshall never be less than the lowest

value as indicated in table R'_ext(for U₀> U_{0 nom}) to

avoid damage to the unit!

Vo1–

P

N

Vo1+

S+

R

12

R'_ext

R_ext

16

14

S–

Fig. 20

Output voltage control for single output units LK 4000 by

means of the R input

Vo1–

P

Table 7a: R_extfor U_o< U_{o nom}; approximative values (U_{i nom}, I_{o nom}, series E 96 resistors); R'_ext= ∞

U_{o nom}= 5.1 V

U_o(V) R_ext[kΩ]

U_{o nom}= 12 V

U_o[V] ¹

U_{o nom}= 15 V

U_o[V] ¹

U_{o nom}= 24 V

U_o[V] ¹

R_ext[kΩ]

0.806

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

0.432

0.976

1.65

2.61

3.83

5.76

8.66

14.7

30.1

200

2

3

4

5

6

7

8

9

10

11

4

6

8

10

12

14

16

18

20

22

0.806

1.33

2

2.87

4.02

5.62

8.06

12.1

20

2

4

6

8

9

10

11

12

13

14

4

8

0.619

1.47

2.67

4.53

6.04

8.06

11

16.2

26.1

56.2

4

6

8

10

12

14

16

18

20

22

8

12

16

20

24

28

32

36

40

44

1.33

2

2.87

4.02

5.62

8.06

12.1

20

44.2

12

16

18

20

22

24

26

28

42.2

Table 7b: R’_extfor U_o> U_{o nom}; approximative values (U_{i nom}, I_{o nom}, series E 96 resistors); R_ext= ∞

U_{o nom}= 5.1 V

U_o[V] R'_ext[kΩ]

5.15 432

U_{o nom}= 12 V

U_o[V] ¹

U_{o nom}= 15 V

U_o[V] ¹

U_{o nom}= 24 V

R'_ext[kΩ]

U_o[V] ¹

R'_ext[kΩ]

12.1

12.2

12.3

12.4

12.5

12.6

12.7

12.8

13.0

13.2

24.2

24.4

24.6

24.8

25.0

25.2

25.4

25.6

26.0

26.4

1820

931

619

475

383

316

274

243

196

169

15.2

15.4

15.6

15.8

16.0

16.2

16.4

16.5

30.4

30.8

31.2

31.6

32.0

32.4

32.8

33.0

1500

768

523

392

316

267

232

221

24.25

24.5

24.75

25.0

25.25

25.5

25.75

26.0

48.5

49.0

49.5

50.0

50.5

51.0

51.5

52.0

52.5

52.8

3320

1690

1130

845

698

590

511

442

402

383

5.2

5.25

5.3

215

147

110

5.35

5.4

88.7

75

5.45

5.5

64.9

57.6

26.25

26.4

¹First column: single output units or double output units with separated outputs, second column: outputs in series connection

Edition 01/01.2001

13/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

R-Function for different output configurations

06004

06005

+

Vo2+

+

4

Vo2+

Vo2–

Vo1+

Vo1–

4

6

Vo2+

Vo2–

Vo1+

Vo1–

6

8

12 V

15 V

24 V

1

U_o1

24 V

30 V

48 V

8

1

U_o1

10

12

14

–

10

12

2

–

14

16

R_extR'_ext

16

R

Fig. 21a

Fig. 21b

LK 5000 with H15 connector. R-input for output voltage

control. Wiring for output voltage 24 V or 30 V or 48 V with

main and second output connected in series.

LK 5000 with H15 connector. R-input for output voltage

control. Wiring for output voltage 12 V or 15 V or 24 V

with main and second output connected in parallel.

06006

06007

+24/+30/+48 V

0 V

Vo2+

Vo2–

Vo1+

Vo1–

4

6

Vo2+

Vo2–

Vo1+

Vo1–

+

4

6

1

U_o2

–12/–15/–24 V

8

–

8

U_o2

+12/+15/+24 V

0 V

U_o1

10

12

+

10

12

2

1

U_o1

+12/+15/+24 V

+

14

16

14

16

R_extR'_ext

R

Fig. 21c

Fig. 21d

LK 5000 with H15 connector. R-input for output voltage

control. Wiring of main and second output for two output

voltages U_o1and U_o2: +12 V and +24 V or +15 V and

+30 V or +24 V and +48 V.

LK 5000 with H15 connector. R-input for output voltage

control. Wiring of main and second output for two sym-

metrical output voltages U_o1and U_o2: ±12 V or ±15 V or

±24 V.

¹A ceramic multilayer capacitor connected across the load re-

duces ripple and spikes.

06008

+

Vo2+

Vo2–

Vo1+

Vo1–

4

6

²Shortest possible wiring for series connection at the female con-

nector

12 V

15 V

24 V

1

U_o2

–

8

+

10

12

12 V

15 V

24 V

U_o1

–

Remarks:

14

16

R_extR'_ext

Double output units ﬁtted with H15 connectors have the

output pins of the second output, pins 4/6 and 8/10, inter-

nally paralleled.

R

It is recommended that pins 4/6 and 8/10 be directly paral-

leled at the female connector as well to reduce the voltage

drop across the connector.

Fig. 21e

LK 5000 with H15 connector. R-input for output voltage

control. Wiring of main and second output for two output

voltages U_o1and U_o2: 12 V/12 V or 15 V/15 V or 24 V/

24 V, the outputs are galvanically isolated.

Please note: U_o2varies depending upon its own load and

the load on output 1.

Edition 01/01.2001

14/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

Display Status of LEDs

06002

U_o1> 0.95...0.98U_{o1 adj}

Fig. 22

OK

i

I_{o L}

LEDs "OK", "i" and "I_{o L}"status versus input voltage

Conditions: I_o≤ I_{o nom}, T_C≤ T_{C max}, U_inh≤ 0.8 V

U_{i uv}= undervoltage lock-out, U_{i ov}= overvoltage lock-out

U_i

U_{i uv}U_{i min}

U_{i max}U_{i ov}U_{i abs}

U_o1> 0.95...0.98U_{o1 adj}

U_o1< 0.95...0.98U_{o1 adj}

OK

I_{o L}

LEDs "OK" and "I_{o L}"status versus output current

Conditions: U_{i min}...U_{i max}, T_C≤ T_{C max}, U_inh≤ 0.8 V

I_o

I_{o nom}

I_oL

i

LED "i"versus case temperature

Conditions: U_{i min}...U_{i max}, I_o≤ I_{o nom}, U_inh≤ 0.8 V

T_C

T_{C max}

U_{inh threshold}

T_{PTC threshold}

LED "i"versus U_inh

Conditions: U_{i min}...U_{i max}, I_o≤ I_{o nom}, T_C≤ T_{C max}

U_{i inh}

+0.8 V

+2.4 V

+50 V

-50 V

LED off

LED Status undefined

LED on

Battery Charging/Temperature Sensor

Test Sockets (Main output only )

The LK are intended for lead acid battery charger applica-

tions. For an optimum battery charging and life expectancy

of the battery an external temperature sensor may be con-

nected to the R-input. The sensor is mounted as close as

possible to the battery pole and adjusts the output voltage

of the LK unit according to the temperature of the battery

(which is related to the load of the battery and the ambient

temperature).

Test sockets for measuring the output voltage U_o1are lo-

cated at the front of the module. The positive test socket is

protected by a series resistor (see: Functional Description,

block diagrams). The voltage measured at the test sockets

is approximately 30 mV lower than the value measured at

the output terminals.

In case of double output units externally connected in se-

ries for U_o= 24 V, 30 V or 48 V the monitored output volt-

age is 12 V, 15 V or 24 V respectively.

Depending on the cell voltage and the temperature coeffi-

cient of the battery, different sensor types are available.

For more information please ask Power-One.

Cell voltage [V]

2.40

06123

U_{o max}

2.35

2.30

U_z= 2.27 V, –3.5 mV/K

2.25

2.20

U_z= 2.23 V, –3.5 mV/K

U_{o nom}

2.15

[°C]

20 25 30 35 40 45 50

2.10

0

5

10 15

Fig. 17

Dependance of output voltage vs. temperature for defined

temperature coefficient.

Edition 01/01.2001

15/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

Electromagnetic Compatibility (EMC)

The K series has been successfully tested to the following

specifications:

A metal oxide VDR together with an input fuse and an input

filter form an effective protection against high input tran-

sient voltages which typically occur in most installations.

Electromagnetic Immunity

Table 8: Immunity type tests

Phenomenon

Standard ¹

Level

Coupling

mode ²

Value

applied

Waveform

Source

imped.

Test

procedure

In

Per-

oper. form. ³

4

Voltage surge

IEC 60571-1

i/c, +i/–i

800 V_p

1500 V_p

3000 V_p

4000 V_p

7000 V_p

1.5 • U_batt

100 µs

50 µs

100 Ω

1 pos. and 1 neg.

voltage surge per

coupling mode

yes

5 µs

1 µs

100 ns

0.1/1/0.1 s

4

Supply related

surge

RIA 12

B

+i/–i

0.2 Ω

5 Ω

1 positive

surge

yes

4

Direct transient

C

D

E

F

G

H

J

+i/c, –i/c

960 V_p

1800 V_p

3600 V_p

4800 V_p

8400 V_p

1800 V_p

3600 V_p

4800 V_p

8400 V_p

10/100 µs

5/50 µs

5 pos. and 5 neg.

impulses

yes

0.5/5 µs

0.1/1 µs

0.05/0.1 µs

5/50 µs

100 Ω

Indirect coupled

transient

+o/c, –o/c

0.5/5 µs

0.1/1 µs

0.05/0.1 µs

1/50 ns

K

L

Electrostatic

discharge

(to case)

IEC/EN

61000-4-2

4

contact discharge 8000 V_p

330 Ω

10 positive and

10 negative

discharges

yes

A

air discharge

15000 V_p

Electromagnetic IEC/EN

3

4

antenna

10 V/m

AM 80%

1 kHz

n.a.

80…1000 MHz

yes

A

field

61000-4-3

Electromagnetic ENV 50204

field,

pulse modulated

50% duty cycle,

200 Hz repetition

frequency

900 ±5 MHz

Electrical fast

transient/burst

IEC/EN

61000-4-4

capacitive, o/c

2000 V_pbursts of 5/50 ns 50 Ω

1 min positive

1 min negative

transients per

coupling mode

yes

A

2.5/5 kHz over

15 ms; burst

period: 300 ms

i/c, +i/–i

direct

4000 V_p

Surge

IEC/EN

61000-4-5

3

4

3

i/c

+i/–i

2000 V_p

1.2/50 µs

12 Ω

2 Ω

5 pos. and 5 neg.

surges per

yes

A

Conducted

disturbances

IEC/EN

61000-4-6

i, o, signal wires

10 V_rms

(140 dBµV)

AM 80%

1 kHz

150 Ω

0.15...80 MHz

¹Related and previous standards are referenced in: Technical Information: Standards.

²i = input, o = output, c = case.

³A = Normal operation, no deviation from specifications, B = Normal operation, temporary deviation from specs possible.

⁴Test in progress, please consult factory.

Note: Previous standards are referenced in: Technical In-

formation: Standards.

Edition 01/01.2001

16/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

[dBµV]

90

07063

[dBµV/m]

50

07038

A

80

70

60

50

40

30

20

10

0

A

B

40

B

30

20

10

[MHz]

0

MHz

Fig. 23

Fig. 24

Typical disturbance voltage (quasi-peak) at the input accord- Typical radiated electromagnetic field strength (quasi-peak)

ing to CISPR 11/22 and EN 55011/22, measured at according to CISPR 11/22 and EN 55011/22, normalized to

_{i nom}and I_{o nom}

U

.

a distance of 10 m, measured at U_{i nom}and I_{o nom}

.

Immunity to Environmental Conditions

Table 9: Mechanical stress

Test method

Standard

Test conditions

Temperature:

Status

Ca

Ea

Eb

Fc

Damp heat

steady state

IEC/DIN IEC 60068-2-3

MIL-STD-810D section 507.2 Relative humidity:

Duration:

40 ^±2°C

%

56 days

Unit not

operating

93 ^+2/-3

Shock

(half-sinusoidal)

IEC/EN/DIN EN 60068-2-27

MIL-STD-810D section 516.3 Bump duration:

Number of bumps:

Acceleration amplitude:

100 g_n= 981 m/s²

6 ms

18 (3 each direction)

Unit

operating

Bump

(half-sinusoidal)

IEC/EN/DIN EN 60068-2-29

MIL-STD-810D section 516.3 Bump duration:

Number of bumps:

Acceleration amplitude:

40 g_n= 392 m/s²

6 ms

6000 (1000 each direction)

Unit

operating

Vibration

IEC/EN/DIN EN 60068-2-6

Acceleration amplitude:

0.35 mm (10...60 Hz)

Unit

(sinusoidal)

5 g_n= 49 m/s²(60...2000 Hz) operating

10...2000 Hz

Frequency (1 Oct/min):

Test duration:

7.5 h (2.5 h each axis)

Fn

Kb

Vibration

broad-band

random

IEC 60068-2-64

DIN 40046 part 23

MIL-STD-810D section 514.3 Acceleration magnitude:

Test duration:

Acceleration spectral density: 0.05 g_n²/Hz

Unit

operating

Frequency band:

5...500 Hz

4.97 g_{n rms}

3 h (1 h each axis)

(digital control)

Salt mist, cyclic

(sodium chloride

NaCl solution)

IEC/EN/DIN IEC 60068-2-52

Concentration:

Duration:

Storage:

Storage duration:

Number of cycles:

5% (30°C)

Unit not

operating

2 h per cycle

40°C, 93% rel. humidity

22 h per cycle

3

Table 10: Temperature speciﬁcations, values given are for an air pressure of 800...1200 hPa (800...1200 mbar)

Temperature

-6 (LK 4003)

min max

Standard -7

Option -9

Characteristics

Conditions

min

max

71

min

max

71

Unit

T_A

T_C

T_S

Ambient temperature

U_{i min}...U_{i max}

I_o= 0...I_{o nom}

–25

–40

60

90

–25

–40

–55

°C

Case temperature

95

Storage temperature

Not operational

100

Table 11: MTBF

Values at Speciﬁed

Type

Ground Benign

Ground Fixed

Ground Mobile

Unit

Case Temperature

40°C

70°C

50°C

MTBF¹

LK 4301–7ER

514'000

88'000

38'000

35'000

h

¹Calculated in accordance with MIL-HDBK 217F.

Edition 01/01.2001

17/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

7 TE

9 TE

3.27

Mechanical Data

Dimensions in mm. Tolerances ±0.3 mm unless otherwise indicated.

159

4.5

Test jacks (+/–)

Option P (U_o)

Option D (U_to)

Option D (U_ti)

LED i (red)

LED OK (green)

LED I_oL(red)

Measuring point of

case temperature T_C

= Ø 3.5

= Ø 4.1

50

42

171.93 (DIN 41494)

Main face

80

d

Front plate

Back plate

168.5 ^±0.5

European

Projection

Note:

– d ≥15 mm, recommended minimum distance to

next part to ensure proper air circulation at full

output power.

Fig. 25

– free air locations: the module should be moun-

ted with ﬁns in vertical position to achieve a

maximum air ﬂow through the heat sink.

Case K02 with heatsink, case aluminium, black finish and

self cooling, weight: Approx. 1.55 kg

7 TE

3.27

4 TE

50

5

158

M 4

Measuring point of

case temperature T_C

5

47.2

17.3

133.4

168 ^±0.5

Note: Long case with S-type heatsink or

cooling plate B2 elongated by 60 mm for

220 mm rack depth, is available on re-

quest. (Front panel will have no LEDs

and no test jacks.)

171.93 (DIN 41494)

Fig. 26

Case K02 with option B1 (cooling plate), case aluminium,

black finish and self cooling, weight: Approx. 1.15 kg

Edition 01/01.2001

18/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

Safety and Installation Instructions

Connector Pin Allocation

The connector pin allocation table defines the electrical

potentials and the physical pin positions on the H15 con-

nector. Pin no. 24, the protective earth pin present on all LK

AC-DC converters is leading, ensuring that it makes con-

tact with the female connector first.

Table 12: H15 and H15 S2 Connector pin allocation

No.

Connector type H15 S2

LK 4003

Connector type H 15

LK 4301, LK 4501, LK 4601

LK 5000

Vo2+

Vo2–

Vo1+

Vo1–

R ¹

4

6

Vo1+

Vo1–

S+

Vo1+

Output 1

Output 2

8

Vo1–

10

12

14

16

18

20

S+

S–

R ¹

i

Sense

Output 1

Control of U_o1

Inhibit

Sense

S–

Sense

Control of U_o1

Inhibit

R ¹

Control of U_o1

Inhibit

i

D ³

V ³

T

Save data

ACFAIL

D

Save data

D

Save data

22

24 ²

26

28

30

32

Current sharing

Protective earth

T

Current sharing

Protective earth

T

Current sharing

Protective earth

N

P

N

P

N

P

Neutral

Phase

Neutral

Phase

Neutral

Phase

¹Feature R excludes option P and vice versa

²Leading pin (pregrounding)

³Option D excludes option V and vice versa

10002

10001

30/32

4/6

32

4

Type H15 S2

Type H15

Fig. 27

View of module's male connectors

Installation Instructions

An input fuse is built-in in the connection from pins no. 30

and 32 (P~) of the unit. Since this fuse is designed to pro-

tect the unit in case of an overcurrent and does not neces-

sarily cover all customer needs, an external fuse suitable

for the application and in compliance with the local require-

ments might be necessary in the wiring to one or both input

potentials, pins nos. 26 and 28 and/or nos. 30 and 32.

The K series AC-DC converters are components, intended

exclusively for inclusion within other equipment by an in-

dustrial assembly operation or by professional installers. In-

stallation must strictly follow the national safety regulations

in compliance with the enclosure, mounting, creepage,

clearance, casualty, markings and segregation require-

ments of the end-use application.

Connection to the system shall be made via the female con-

nector H15/H15 S2 (see: Accessories). Other installation

methods may not meet the safety requirements.

Important: Whenever the inhibit function is not in use, pin

no. 18 (i) should be connected to pin no. 14 (S–/Vo1–) to

enable the output(s).

The AC-DC converters are provided with pin no. 24 ( ),

which is reliably connected with their case. For safety rea-

sons it is essential to connect this pin with the protective

earth of the supply system.

Do not open the modules, or guarantee will be invali-

dated.

Edition 01/01.2001

19/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

Due to high current values, all LK units provide two inter-

nally parallel connected contacts for certain paths (pins 4/6,

8/10, 26/28 and 30/32, respectively). It is recommended to

connect load and supply to both female connector pins of

each path in order to keep the voltage drop across the con-

nector pins to an absolute minimum and to not over-

stress the connector contacts if currents are higher than

approx. 8 A. The connector contacts are rated 8 A over the

whole temperature range.

Standards and Approvals

All AC-DC converters correspond to class I equipment.

They are UL recognized according to UL 1950, UL recog-

nized for Canada to CAN/CSA C22.2 No. 950-95 and LGA

approved to IEC/EN 60950 standards.

The units have been evaluated for:

• Building in

• Basic insulation between input and case, based on 250 V

AC and 400 V DC

Make sure that there is sufficient air flow available for con-

vection cooling. This should be verified by measuring the

case temperature when the unit is installed and operated in

the end-use application. The maximum specified case tem-

perature T_{C max}shall not be exceeded. See also: Thermal

Considerations.

• Double or reinforced insulation between input and output,

based on 250 V AC and 400 V DC

• Basic insulation between output and case based on

200 V AC and DC.

• Operational insulation between output and output

• The use in a pollution degree 2 environment

• Connecting the input to a primary or secondary circuit

which is subject to a maximum transient rating of 2500 V

(overvoltage category III based on a 110 V primary cir-

cuit, overvoltage category II based on a 230 V primary

circuit).

• The UL 1950 recognition limits the maximum case tem-

perature of the standard modules to T_C= T_{C max}– 10 K =

95°C.

Check for hazardous voltages before altering any connec-

tions.

Ensure that a unit failure (e.g. by an internal short-circuit)

does not result in a hazardous condition. See also: Safety

of operator accessible output circuit.

Cleaning Agents

In order to avoid possible damage, any penetration of

cleaning fluids is to be prevented, since the power supplies

are not hermetically sealed.

The AC-DC converters are subject to manufacturing sur-

veillance in accordance with the above mentioned UL,

CSA, EN and with ISO 9001 standards.

Protection Degree

Isolation

Condition: Female connector fitted to the unit.

IP 30: All units except those with option P, and except

those with option D or V with potentiometer.

IP 20: All units fitted with option P, or with option D or V

with potentiometer.

The electric strength test is performed as factory test in ac-

cordance with IEC/EN 60950 and UL 1950 and should not

be repeated in the field. Power-One will not honour any

guarantee claims resulting from electric strength field tests.

Important: Testing by applying AC voltages will result in

high and dangerous leakage currents flowing through

the Y-capacitors (see fig.: Block diagram).

Table 13: Isolation

Characteristic

Input to

case

Input to Output to Output to

Unit

output

case

output

Electric

strength

test voltage

Required according to

IEC/EN 60950

1.5

2.1

2.8

2.0

3.0 ¹

–

kV_rms

4.2 ¹

–

kV DC

Actual factory test 1 s

5.6 ¹

1.4

1.0

0.14

0.1

AC test voltage equivalent

to actual factory test

4.0 ¹

kV_rms

Insulation resistance at 500 V DC

>300

>100 ²

MΩ

¹In accordance with IEC/EN 60950 only subassemblies are tested in factory with this voltage.

²Tested at 100 V DC.

For creepage distances and clearances refer to: Technical Information: Safety.

Edition 01/01.2001

20/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

Leakage Currents in AC-DC operation

Leakage currents flow due to internal leakage capacitance

and RFI suppression Y-capacitors. The current values are

proportional to the mains voltage and nearly proportional to

the mains frequency and are specified at an input voltage of

254 V (50 Hz) where phase, neutral and protective earth

are correctly connected as required for class I equipment.

Under test conditions the leakage current flows through a

measuring instrument (MI) as described in fig.: Measuring

instrument for earth leakage current tests, which takes into

account impedance and sensitivity of a person touching

unearthed accessible parts. The current value is calculated

by dividing the measured voltage by 500 Ω. If inputs of K-

units are connected in parallel, their individual leakage cur-

rents are added.

1500 Ω

MI

500 Ω

10062

P

Vo+

P

N

10 kΩ

Vo–

220 nF

MI for

earth

leakage

current

22 nF

V

Fig. 29

Test set-up

Fig. 28

Measuring instrument (MI) for earth leaking current tests

according to IEC/EN 60950.

Table 14: Leakage currents

Characteristic

Class I

Unit

LK 4000, LK 5000

Maximum earth

leakage current

Permissible according to IEC/EN 60950

Specified value at 254 V, 50 Hz

3.5

mA

0.82

Safety of operator accessible output circuit

If the output circuit of an AC-DC converter is operator ac-

cessible, it shall be an SELV circuit according to the IEC/EN

60950 related safety standards.

to IEC/EN 60950 up to a configured output voltage (sum of

nominal voltages if in series or +/– configuration) of 36 V.

However, it is the sole responsibility of the installer to as-

sure the compliance with the relevant and applicable safety

regulations. More information is given in: Technical Infor-

mation: Safety.

The following table shows a possible installation configura-

tion, compliance with which causes the output circuit of an

K series AC-DC converter to be an SELV circuit according

Table 15: Safety concept leading to an SELV output circuit

Conditions

AC-DC converter

Installation

Result

Nominal voltage

Grade of insulation

between input and output

provided by the AC-DC converter

Measures to achieve the resulting

safety status of the output circuit

Safety status of the AC-DC

converter output circuit

Mains

Double or reinforced

Earthed case ¹and installation

SELV circuit

≤250 V AC

according to the applicable standards

¹The earth connection has to be provided by the installer according to the relevant safety standards, e.g. IEC/EN 60950.

10021

Fuse

+

~

Mains

AC-DC

con-

verter

SELV

Fuse

–

~

Earth connection

Fig. 30

Schematic safety concept. Use fuses and earth connec-

tion as per: Installation Instructions and table: Safety con-

cept leading to an SELV output circuit.

Edition 01/01.2001

21/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

Description of Options

Table 16: Survey of options

Option

-9

Function of Option

Characteristics

Extended operational ambient temperature range

Electronic inrush current limitation circuitry

Potentiometer for fine adjustment of output voltage

Input and/or output undervoltage monitoring circuitry

Input (and output) undervoltage monitoring circuitry

Current sharing

T_A= –40...71°C

E

Active inrush current limitation

P ¹

Adjustment range +10/–60% of U_{o nom}excludes R input

Safe data signal output (Versions D0...DD)

D ²

V ^{2 3}

T

ACFAIL signal according to VME specs (Versions V0, V2, V3)

Interconnect T-pins if paralleling outputs (5 units max.)

Replaces standard heat sink, allowing direct chassis-mounting

B1, B2

Cooling plate

¹Option R excludes option P and vice versa

²Option D excludes Option V and vice versa

³Only available if main output voltage U_o1= 5.1

E Inrush Current Limitation

-9 Extended Temperature Range

The converters may be supplemented by an electronic cir-

cuit (option E, replacing the standard built-in NTC) to

achieve an enhanced inrush current limiting function.

Option -9 extends the operational ambient temperature

range from –25...71°C (standard) to –40...71°C. The power

supplies provide full nominal output power with free air con-

vection cooling. Option -9 excludes inrush current limitation

by NTC.

Table 17: Inrush current characteristics with option E

Characteristics

U_i= 230 V AC

LK

Unit

P Potentiometer

typ

–

max

21.7

50

The potentiometer provides an output voltage adjustment

range of +10/–60% of U_{o nom}and is accessible through a

hole in the front cover. This feature enables compensation

for voltage drops across the connector and wiring. Option P

is not recommended if units are connected in parallel.

I_{inr p}

t_inr

Peak inrush current

Inrush current duration

A

35

ms

Option P excludes the R-function. With double output units

both outputs are affected by the potentiometer setting (dou-

bling the voltage setting if the outputs are in series).

Control

FET

If the output voltages are increased above U_{o nom}via R-in-

put control, option P setting, remote sensing or option T, the

output current(s) should be reduced accordingly so that

P_{o nom}is not exceeded.

Rectifier

R_S

C_i

R_I

Fig. 31

Option E block diagram

T Current Sharing

11002

I_i[A]

20

This option ensures that the output currents are approxi-

mately shared between all paralleled modules and in-

creases system reliability. To use this facility, simply inter-

connect the T pins of all modules and make sure, that

pins 14, the S– pins (K 4000) or the Vo1– pins (K 5000) are

also connected together. The load leads should have equal

length and cross section to ensure equal voltage drops. Not

more than 5 units should be connected in parallel. If output

voltage adjustment is requested we strongly recommend to

use the R-input instead of option P, as with option P the re-

quired setting accuracy is difﬁcult to achieve. The output

voltages must be individually set prior to paralleling to

within a tolerance of 1...2% or the R pins should be con-

Capacitor C_i

fully charged

15

10

5

Normal operation

(FET fully conducting)

0

–5

–10

t_inr

10 20 30 40 50 60 70 80

nected together.

t [ms]

11003

Vo+

Load

Vo–

0

Fig. 32

Inrush current with option E, U_i= 230 V AC, P_o= P_{o nom}

Vo+

Vo–

Precaution:

Subsequent switch-on cycles at start-up are limited to

max. 10 cycles during the ﬁrst 20 seconds (cold unit) and

at continuing on/off (T_C= 95°C) max. 1 cycle every

8 sec.

Vo+

Vo–

Fig. 33

An example of poor wiring for connection in parallel

Edition 01/01.2001

22/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

2

1

Vo+

11004

N

Power bus

+

–

S+

T

Vo2+

3

Vo2–

S–

T

11037

Vo–

P

N

Module

Vo1+

Load

2

Vo1–

Vo+

S+

T

Load

1

3

Vo2+

S–

Vo2–

1

Vo–

P

T

Module

max. 5 units connected in parallel

Vo1+

¹Leads should have equal length and cross sections and should

run in the same cable loom.

Vo1–

²Diodes recommended in redundant operation only

³DC common point

max. 5 units in parallel connection

Fig. 35

Paralleling of double output units using option T with

Power Bus

Fig. 34

Paralleling of single output units using option T with the

sense lines connected at the load

Edition 01/01.2001

23/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

Option D Undervoltage monitor

The input and/or output undervoltage monitoring circuit op-

erates independently of the built-in input undervoltage lock-

out circuit. A logic "low" (JFET output) or "high" signal (NPN

output) is generated at pin 20 as soon as one of the moni-

tored voltages drops below the preselected threshold level

U_t. The return for this signal is Vo1–. The D output reco-

vers when the monitored voltage(s) exceed(s) U_t+ U_h. The

threshold level U_tiis adjusted in the factory. The threshold

level U_tois either adjusted by a potentiometer, accessible

through a hole in the front cover, or factory adjusted to a

ﬁxed value speciﬁed by the customer.

Option D exists in various versions D0...DD as shown in the

following table.

Table 18: Undervoltage monitoring functions

Output type

Monitoring

Minimum adjustment range

of threshold level U_t

U_tiU_to

Typical hysteresis U_ho[% of U_t]

JFET

NPN

U _i

U_o1

for U_{t min}...U _{t max}

U_ho

D1

D2

D3

D4

D0

D5

D6

D7

D8

D9

no

yes

no

yes

no

-

3.5...40 V ¹

-

2.5...0.6

-

355 V DC ⁴

yes

355 V DC ⁴

(0.95...0.985 U_o1) ²

3.5...40 V ³

"0"

-

"0"

no

-

2.5...0.6

yes

355 V DC ⁴

DD

yes

355 V DC⁴

3.5...40 V ¹

2.5...0.6

¹Threshold level adjustable by potentiometer

²Fixed value. Tracking if U_o1adjusted via R-input, option P or sense lines.

³The threshold level permanently adjusted according to customer speciﬁcation ±2% at 25°C. Any value within the speciﬁed range is

basically possible but causes a special type designation in addition to the standard option designations (D0/D9)!

⁴Option D monitors the boost regulator output voltage. The trigger level is adjusted in the factory to 355 V DC.

JFET output (D0…D4):

11006

Connector pin D is internally connected via the drain-

source path of a JFET (self-conducting type) to the nega-

tive potential of output 1. U_D≤ 0.4 V (logic low) corresponds

to a monitored voltage level (U_iand/or U_o1) <U_t. The cur-

rent I_Dthrough the JFET should not exceed 2.5 mA. The

JFET is protected by a 0.5 W Zener diode of 8.2 V against

external overvoltages.

Vo1+

R

p

I

D

U

D

U_i, U_o1status

U_ior U_o1< U_t

D output, U_D

low, L, U_D≤ 0.4 V at I_D= 2.5 mA

high, H, I_D≤ 25 µA at U_D= 5.25 V

Vo1–

U_iand U_o1> U_t+ U_h

Fig. 36

Option D0...D4: JFET output, I_D≤ 2.5 mA

11007

NPN output (D5...DD):

Vo1+

Connector pin D is internally connected via the collector-

emitter path of a NPN transistor to the negative potential of

output 1. U_D< 0.4 V (logic low) corresponds to a monitored

voltage level (U_iand/or U_o1) > U_t+ U_h. The current I_D

through the open collector should not exceed 20 mA. The

NPN output is not protected against external overvoltages.

U_Dshould not exceed 40 V.

R

p

I

D

U

D

U_i, U_o1status

U_ior U_o1< U_t

D output, U_D

Vo1–

high, H, I_D≤ 25 µA at U_D= 40 V

low, L, U_D≤ 0.4 V at I_D= 20 mA

Fig. 37

U_iand U_o1> U_t+ U_h

Option D5...DD: NPN output, U_o1≤ 40 V, I_D≤ 20 mA

Table 19: D-output logic signals

Version of D

U_i< U_tresp. U_o< U_t

U_i> U_t+ U_hresp. U_o> U_t

Conﬁguration

JFET

D1, D2, D3, D4, D0

D5, D6, D7, D8, D9, DD

low

high

low

high

NPN

Edition 01/01.2001

24/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

D-signal with respect to input and output voltage versus time:

Input voltage monitoring

NPN

U_D

11044

U_{D high}

3

U_{D low}

0

t

I_D

I_{D high}

I_{D low}

0

t

JFET U_D

U_{D high}

U_{D low}

0

t

1

4

t_h

t_{low min}

t_{high min}

U_o1

U_{o1 nom}

1

t_h

1

0.95

t

0

U

_ci[V DC]

358

355

0

Input voltage failure

Switch-on cycle

Input voltage sag

Switch-on cycle and subsequent

input voltage failure

Output voltage monitoring

NPN U_D

2

U_{D high}

U_{D low}

0

t

I_D

I_{D high}

I_{D low}

0

U_D

JFET

U_{D high}

U_{D low}

0

t

4

t_{low min}

U_o1

U_{o1 nom}

U_to+U_ho

U_to

¹Hold-up time see section: Electrical Input Data.

²With output voltage monitoring, hold-up time t_h= 0.

³The signal will remain high if the D output is connected to

an external source.

0

⁴t_{low min}= 100...170 ms, typically 130 ms.

Output voltage failure

Fig. 38

Relationship between U_ci, U_o1, U_D, U_o1/U_{o nom}versus time

Edition 01/01.2001

25/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

V ACFAIL Signal (VME)

Available for units with U_o1= 5.1 V.

V output (V2, V3):

Connector pin V is internally connected to the open collec-

tor of a NPN transistor. The emitter is connected to the

negative potential of output 1. U_V≤ 0.6 V (logic low) corre-

sponds to a monitored voltage level (U_iand/or U_o1) <U_t.

The current I_Vthrough the open collector should not ex-

ceed 50 mA. The NPN output is not protected against exter-

nal overvoltages. U_Vshould not exceed 60 V.

This option deﬁnes an undervoltage monitoring circuit for

the input or input and main output voltage equivalent to op-

tion D and generates the ACFAIL signal (V signal) which

conforms to the VME standard.

The low state level of the ACFAIL signal is speciﬁed at a

sink current of I_V≤ 48 mA to U_V≤ 0.6 V (open-collector out-

put of a NPN transistor). The pull-up resistor feeding the

open-collector output should be placed on the VME back

plane.

U_i, U_o1status

V output, U_V

U_ior U_o1< U_t

low, L, U_V≤ 0.6 V at I_V= 50 mA

high, H, I_V≤ 25 µA at U_V= 5.1 V

After the ACFAIL signal has gone low, the VME standard

requires a hold-up time t_hof at least 4 ms before the 5.1 V

output drops to 4.875 V when the output is fully loaded. This

hold-up time t_his provided by the internal input capaci-

tance. See also ﬁg.: Hold-up Time versus Output Power.

U_iand U_o1> U_t+ U_h

11009

Vo1+

Table 20: Undervoltage monitor functions

R

p

V output

Monitoring

Minimum adjustment

I

V

(VME compatible)

U_i

U_o1

range of threshold level

U_ti

no 355V DC ¹

U_to

V

–

V2

V3

yes

U

V

2

yes 355V DC ¹0.95...0.985 U_o1

¹Option D monitors the boost regulator output voltage. The trig-

ger level is adjusted in the factory to 355 V DC.

Vo1–

²Fixed value between 95% and 98.5% of U_o1.

Fig. 39

Output conﬁguration of options V2 and V3

Option V operates independently of the built-in input under-

voltage lock-out circuit. A logic "low" signal is generated at

pin 20 as soon as one of the monitored voltages drops be-

low the preselected threshold level U_t. The return for this

signal is Vo1–. The V output recovers when the monitored

voltage(s) exceed(s) U_t+ U_h. The threshold level U_tiis ad-

justed in the factory to 355 V DC. The threshold level U_to

either is adjusted during manufacture to a determined cus-

tomer speciﬁed value.

Edition 01/01.2001

26/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

11045

Input voltage monitoring

2

t_{low min}

V2

U_V

3

U_{V high}

4

2

4

2

U_{V low}

t

0

t_{low min}

V3

U_V

3

U_{V high}

U_{V low}

t

0

1

t_h

U_o1

5.1 V

4.875 V

2.0 V

0

t

U_ci[V DC]

358

355

t

0

Input voltage failure

Switch-on cycle

Input voltage sag

Switch-on cycle and subsequent

input voltage failure

Output voltage monitoring

V2 U_V

U_{V high}

4

U_{V low}

t

0

2

t_{low min}

V3 U_V

U_{V high}

3

4

U_{V low}

0

U_o1

5.1 V

4.875 V

2.0 V

0

t

¹VME request: minimum 4 ms

²t_{low min}= 40...200 ms, typically 80 ms

³U_Vlevel not deﬁned at U_o1< 2.0 V

U_i

⁴The V signal drops simultaneously with the output voltage if the

pull-up resistor R_Pis connected to Vo1+.

The V signal remains high if R_Pis connected to an external

source.

U_ti+ U_hi

U_ti

t

0

Output voltage failure

Fig. 40

Relationship between U_ci, U_o1, U_V, I_Vand U_o1/U_{o nom}ver-

sus time.

Edition 01/01.2001

27/28

Cassette Style

150 Watt AC-DC Converters

K Series PFC

B1 Cooling Plate (see: Mechanical Data)

Where a cooling surface is available, we recommend the

use of a cooling plate (option B1) instead of the standard

heatsink. The mounting system should ensure sufﬁcient

cooling capacity to guarantee that the maximum case tem-

perature T_{C max}is not exceeded. The cooling capacity is cal-

culated by:

(100% – η)

P_Loss= –––––––––– (U_o• I_o)

η

Efﬁciency h see: Type survey.

Elongated case for 220 mm rack depth: Option B2.

Accessories

A variety of electrical and mechanical accessories are

available including:

– Front panels for 19" rack mounting, Schroff and Intermas

systems.

– Mating H15 and H15 S2 connectors with screw, solder,

fast-on or press-fit terminals.

– Connector retention facilities.

– Code key system for connector coding.

– Chassis mounting plates for mounting the 19" cassette to

a chassis/wall where only frontal access is given.

– Universal mounting bracket for DIN-rail or chassis moun-

ting.

For more detailed information please refer to: Accessory

Products.

Front panels

H15 and H15 S2 female connector,

Code key system

Mounting plate,

Connector retention clips

Universal mounting bracket for DIN-rail mounting.

Edition 01/01.2001

28/28


型号：	LK4003-9PD3
厂家：	BEL FUSE INC.
描述：	AC-DC Power Factor Correction Module, 1 Output, 150W, Hybrid, HEAT SINK, METAL, CASE K02, MODULE 电源电路
文件：	总28页 (文件大小：605K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

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