PKJ4319PIP [ETC]
Analog IC ; 模拟IC\n
| 型号： | PKJ4319PIP |
| 厂家： | 
ETC |
| 描述： | Analog IC
|
| 文件： | 总20页 (文件大小：618K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PKJ 4000 PI
37.5-150W DC/DC Power Modules
48V Input Series
•
High efficiency 91.5% Typ (5V)
at full load
•
•
•
Industry standard footprint
Max case temperature +100ºC
Wide input voltage range according
to ETSI specifications
High power density, up to 55W/in
1,500 Vdc isolation voltage
3
•
•
•
MTBF > 3 million hours in
accordance with Bellcore TR-332
The PKJ series represents a “third generation” of High
The PKJ series also offers the flexibility of using a heatsink
Density DC/DC Power Modules providing 90% efficiency.
To achieve this high efficiency, Ericsson uses proprietary drive
and control circuits with planar magnetics and low resistivity
multilayer PCB technology, and a patent pending topology
with active rectification. The PKJ series can be used without
bulky and height consuming heatsinks, resulting in a lower
total cost. This also provides narrow board spacing for elec-
tronic, shelf based applications.
when needed, enabling reduced airflow, extended reliability
or higher ambient temperature operation in a wide range of
48V and 60V DC powered systems. Similar to other
Ericsson Power Modules, the PKJ series includes an under-
voltage shut down facility, protecting the associated batter-
ies from being too deeply discharged. The PKJ series also
offers over-voltage protection, over-temperature protection
and is short circuit proof.
The products are in the industry standard package size and
offer a beneficial alternative to competing products on the
market. Because for certain applications they may not
require heatsinks, they are ideal for cost sensitive or high-
density applications.
These products are manufactured using highly automated
manufacturing lines with a world-class quality commitment
and a five-year warranty. Ericsson Components AB has been
an ISO 9001 certified supplier since 1991. For product
program please see back cover.
General
Absolute Maximum Ratings
Stress in excess of Absolute Maximum Ratings may
cause permanent damage. Absolute Maximum Ratings,
sometimes referred to as no destruction limits, are
normally tested with one parameter at a time exceeding
the limits of Output data or Electrical Characteristics.
Characteristics
min
-40
max
+100
+125
+75
Unit
°C
TC
TS
VI
Maximum Operating Case Temperature
Storage temperature
-40
°C
If exposed to stress above these limits, function and
performance may degrade in an unspecified manner.
For design margin and to enhance system reliability,
it is recommended that the PKJ series DC/DC power
modules are operated at case temperatures below 90°C.
Continuous input voltage
-0.5
Vdc
Vdc
VISO Isolation voltage
(input to output test voltage)
1,500
VRC Remote control voltage
I2t
15
1
Vdc
A2s
Inrush transient
Input TC < TCmax
1) See also Input Voltage in the Operating
Information section
Characteristics
Conditions
min typ max Unit
VI
Input voltage
range1)
36
72
Vdc
Vdc
Vdc
V
Ioff
Turn-off input
voltage
Ramping from
higher voltage
31
33
34
Safety
VIon
Turn-on input
voltage
Ramping from
lower voltage
36
The PKJ Series DC/DC power modules are
designed to comply with EN 60 950 Safety of
information technology equipment including
electrical business equipment.
CI
Input capacitance
2.8
20
µF
IIac
Reflected
ripple current
5 Hz to 20 MHz-150W
50 W
mA p-p
1.6
2.4
3.2
5.3
IImax
Maximum input
current
VI = VI min
75 W
100 W
150 W
A
The PKJ DC/DC power modules are also
recognized by UL and meet the applicable
requirements in UL 1950, Safety of information
technology equipment and applicable Canadian
safety requirements.
PIi
Input idling power
IO = 0
2.5 7.5
.05 2.5
W
W
PRC
Input
stand-by power
VI = 50V
RC open
The isolation is an operational insulation in
accordance with EN 60 950. The DC/DC power
module should be installed in end-use equipment,
in compliance with the requirements of the
ultimate application, and is intended to be
supplied by an isolated secondary circuit.
Consideration should be given to measuring
the case temperature to comply with TCmax
when in operation.
(turned off with RC)
TRIM Maximum input
voltage on trim pin
6
Vdc
Environmental Characteristics
Characteristics
Test procedure & conditions
Random
Vibration
IEC 68-2-34Ed
Frequency
Spectral density
10...500 Hz
0.025 g2/Hz
Duration
10 min in each
direction
When the supply to the DC/DC power
module meets all the requirements for SELV
(<60Vdc), the output is considered to remain
within SELV limits (level 3). If connected to a 60V
DC power system, reinforced insulation must be
provided in the power supply that isolates the
input from the mains. Single fault testing in the
power supply must be performed in combination
with the DC/DC power module to demonstrate
that the output meets the requirement for SELV.
One pole of the input and one pole of the output
is to be grounded or both are to be kept floating.
Sinusoidal
Vibration
IEC 68-2-6 Fc
Frequency
Amplitude
Acceleration
# of cycles
10-500 Hz
0.75mm
10g
10 in each axis
Shock
(half sinus)
IEC 68-2-27 Ea
IEC 68-2-14 Na
Peak acceleration
Duration
50 g
3ms
Temperature
change
Temperature
Number of cycles
-40°C...+100°C
300
Accelerated
damp heat
IEC 68-2-3 Ca
with bias
Temperature
Humidity
Duration
85°C
85% RH
500 hours
Solder
resistibility
IEC 68-2-20 Tb
method IA
Temperature, solder 260° C
Duration 10...13 s
Data Sheet AE/LZT 137 57 R1 © Ericsson Components AB, August 1999
2
Safety (continued)
The galvanic isolation is verified in an electric strength test. The
test voltage (VISO) between input and output is 1,500 Vdc for
60 sec. Leakage current is less than 1µA @ 50Vdc.
• Isolate the failed module from the input source so that the
remainder of the system may continue operation.
• Protect the distribution wiring from
overheating.
Flammability ratings of the terminal support and internal plastic
construction details meet UL 94V-0.
A fuse should be used at the input of each PKJ series power module.
If a fault occurs in the power module, that imposes a short on the
input source, this fuse will provide the following two functions:
A fast blow fuse should be used with a rating of 10A or less. It is
recommended to use a fuse with the lowest current rating, that is
suitable for the application.
Mechanical Data
Connections
Weight
85 grams
Designation Function
-In
Negative input
Case
RC
Connected to base plate
Remote control (primary). To turn-on
and turn-off the output
Positive input
Case
Aluminum baseplate with metal standoffs.
+In
-Out
-Sen
Trim
+Sen
+Out
Negative output
Negative remote sense (if sense not needed, connect to -Out)
Output voltage adjust
Positive remote sense (if sense not needed, connect to +Out)
Positive output
Pins
Pin material: Brass
Pin plating: Tin/Lead over Nickel.
Data Sheet AE/LZT 137 57 R1 © Ericsson Components AB, August 1999
3
Thermal Data
The PKJ series DC/DC power modules has a robust thermal design
which allows operation at case (baseplate) temperatures (TC) up to
+100°C. The main cooling mechanism is convection (free or forced)
through the case or optional heatsinks.
The graph above shows the allowable maximum output
current to maintain a maximum +100°C case temperature.
Note that the ambient temperature is the air temperature
adjacent to the power module which is typically elevated
above the room environmental temperature.
The graphs below can be used to estimate case temperatures
for given system operating conditions (see Thermal design).
For further information on optional heatsinks, please contact
your local Ericsson sales office.
Thermal Design
The thermal data can be used to determine thermal performance
without a heatsink.
Case temperature is calculated by the following formula:
TC = TA + Pd x RthC-A where Pd = PO(1/η - 1)
Where:
TC: Case Temperature
TA: Local Ambient Temperature
Pd: Dissipated Power
R
thC-A: Thermal Resistance from TC to TA
The efficiency η can be found in the tables on the following pages.
For design margin and to enhance system reliability, it is recommend-
ed that the PKJ series DC/DC power modules are operated at case
temperatures below 90°C.
Data Sheet AE/LZT 137 57 R1 © Ericsson Components AB, August 1999
4
PKJ 4719 PI (75W)
TC = -40...+100°C, VI = 36...72 V dc unless otherwise specified.
Output
Characteristics
Conditions
Output
typ
min
max
Unit
VOi
Output voltage initial
TC = +25°C, VI = 53V, IO = IOmax
2.45
2.5
2.55
V
setting and accuracy
Output adjust range
IO = 0 to IOmax
IO = 0 to IOmax
2.0
2.75
2.63
V
V
VO
Output voltage
tolerance band
2.38
Line regulation
Load regulation
VI = 36...72V, IO = IOmax
VI = 53V, IO = 0 to IOmax
2
2
15
15
mV
mV
Vtr
ttr
Load transient
voltage deviation
Load step = 0.25 x IOmax
dI/dt = 1A/µs
±160
mVpeak
Load transient
recovery time
50
35
µs
ts
Start-up time
From VI connection to VO = 0.9 x VOnom
55
30
ms
A
IO
Output current
0
POmax
Ilim
Max output power
Current limit threshold
Short circuit current
Output ripple and noise
At VO = VOnom
75
W
VO = 0.90 x VOnom @ TC<100°C
31
35
35
75
41
A
ISC
41
A
VOac
SVR
IO = IOmax
f<1 kHz
f < 20 MHz
150
mVp-p
dB
Supply voltage
rejection
-53
3.0
OVP
Overvoltage protection
3.3
3.9
V
Miscellaneous
Characteristics
Conditions
min
typ
max
Unit
η
Efficiency
TA = +25°C, VI = 53V, IO = IOmax
IO = IOmax, VI = 53V
84
87
%
Pd
fO
Power dissipation
Switching frequency
11.2
150
W
IO = 0.1...1.0 x IOmax
kHz
Data Sheet AE/LZT 137 57 R1 © Ericsson Components AB, August 1999
5
PKJ 4519 PI (50W)
TC = -40...+100°C, VI = 36...72 V dc unless otherwise specified.
Output
Characteristics
Conditions
Output
typ
min
max
Unit
VOi
Output voltage initial
TC = +25°C, VI = 53V, IO = IOmax
2.45
2.50
2.55
V
setting and accuracy
Output adjust range
IO = 0 to IOmax
IO = 0 to IOmax
2.0
2.75
2.63
V
V
VO
Output voltage
tolerance band
2.38
Line regulation
Load regulation
VI = 36...72VIO = 0 to IOmax
VI = 53V, IO = 0 to IOmax
2
2
15
15
mV
mV
Vtr
ttr
Load transient
voltage deviation
Load step = 0.25 x IOmax
dI/dt = 1A/µs
±100
mVpeak
Load transient
recovery time
50
30
µs
ts
Start-up time
From VI connection to VO = 0.9 x VOnom
55
20
ms
A
IO
Output current
0
POmax Max output power
At VO = VOnom
50
W
IIim
Current limit threshold
Short circuit current
VO = 0.90 x VOnom @ TC<100°C
21
25
25
75
31
A
ISC
31
A
VOac
SVR
Output ripple and noise
IO = IOmax
f<1 kHz
f < 20 MHz
150
mVp-p
dB
Supply voltage
rejection
-53
3.0
OVP
Overvoltage protection
3.3
3.9
V
Miscellaneous
Characteristics
Conditions
min
typ
max
Unit
η
Efficiency
TA = +25°C, VI = 53V, IO = IOmax
IO = IOmax, VI = 53V
86
89
%
Pd
fO
Power dissipation
Switching frequency
6.2
W
IO = 0.1...1.0 x IOmax
150
kHz
Data Sheet AE/LZT 137 57 R1 © Ericsson Components AB, August 1999
6
PKJ 4319 PI (37.5W)
TC = -40...+100°C, VI = 36...72 V dc unless otherwise specified.
Output
Characteristics
Conditions
Output
typ
min
max
Unit
VOi
Output voltage initial
TC = +25°C, VI = 53V, IO = IOmax
2.45
2.50
2.55
V
setting and accuracy
Output adjust range
IO = 0 to IOmax
IO = 0 to IOmax
2.0
2.75
2.63
V
V
VO
Output voltage
tolerance band
2.38
Line regulation
Load regulation
VI = 36...72V, IO = IOmax
VI = 53V, IO = 0 to IOmax
2
2
15
15
mV
mV
Vtr
ttr
Load transient
voltage deviation
Load step = 0.25 x IOmax
dI/dt = 1A/µs
±90
mVpeak
Load transient
recovery time
50
30
µs
tS
Start-up time
From VI connection to VO = 0.9 x VOnom
55
15
ms
A
IO
Output current
0
POmax
IIim
Max output power
Current limit threshold
Short circuit current
Output ripple and noise
At VO = VOnom
37.5
24
W
VO = 0.90 x VOnom @ TC<100°C
16
17
17
75
A
ISC
25
A
VOac
SVR
IO = IOmax
f<1 kHz
f < 20 MHz
150
mVp-p
dB
Supply voltage
rejection
53
OVP
Overvoltage protection
3.0
3.3
3.9
V
Miscellaneous
Characteristics
Conditions
min
typ
max
Unit
η
Efficiency
TA = +25°C, VI = 53V, IO = IOmax
IO = IOmax, VI = 53V
86
89
%
Pd
fO
Power dissipation
Switching frequency
4.6
W
IO = 0.1...1.0 x IOmax
150
kHz
Data Sheet AE/LZT 137 57 R1 © Ericsson Components AB, August 1999
7
PKJ 4910 PI (99W)
TC = -40...+100°C, VI = 36...72 V dc unless otherwise specified.
Output
Characteristics
Conditions
Output
typ
min
max
Unit
VOi
Output voltage initial
TC = +25°C, VI = 53V, IO = IOmax
3.25
3.30
3.35
V
setting and accuracy
Output adjust range
IO = 0 to IOmax
IO = 0 to IOmax
2.64
3.2
3.63
3.4
V
V
VO
Output voltage
tolerance band
Line regulation
Load regulation
VI = 36...72V, IO = IOmax
VI = 53V, IO = 0 to IOmax
1
1
10
10
mV
mV
V
tr
Load transient
voltage deviation
Load step = 0.25 x IOmax
dI/dt = 1A/µs
±180
mVpeak
ttr
Load transient
recovery time
50
35
µs
tS
Start-up time
From VI connection to VO = 0.9 x VOnom
60
30
ms
A
IO
Output current
0
POmax
IIim
Max output power
Current limit threshold
Short circuit current
Output ripple and noise
At VO = VOnom
100
39
W
VO = 0.90 x VOnom@ TC<100°C
31
35
35
75
A
ISC
41
A
VOac
SVR
IO = IOmax
f<1kHz
f < 20 MHz
150
mVp-p
dB
Supply voltage
rejection (ac)
-53
3.9
OVP
Over voltage protection
VI = 53V
4.4
5.0
V
Miscellaneous
Characteristics
Conditions
min
typ
max
Unit
η
Efficiency
TA = +25°C, VI = 53V, IO = IOmax
IO = IOmax, VI = 50V
86
89
%
Pd
fO
Power dissipation
Switching frequency
12.2
150
W
IO = 0.1...1.0 x IOmax
kHz
Data Sheet AE/LZT 137 57 R1 © Ericsson Components AB, August 1999
8
PKJ 4610 PI (66W)
TC = -40...+100°C, VI = 36...72 V dc unless otherwise specified.
Output
Characteristics
Conditions
Output
typ
min
max
Unit
VOi
Output voltage initial
TC = +25°C, VI = 53V, IO = IOmax
3.25
3.30
3.35
V
setting and accuracy
Output adjust range
IO = 0 to IOmax
IO = 0 to IOmax
2.64
3.2
3.63
3.4
V
V
VO
Output voltage
tolerance band
Line regulation
Load regulation
VI = 36...72V, IO = IOmax
VI = 53V, IO = 0 to IOmax
1
1
10
10
mV
mV
V
tr
Load transient
Voltage deviation
Load step = 0.25 x IOmax
dI/dt = 1A/µs
±140
mVpeak
ttr
Load transient
recovery time
50
35
µs
ts
Start-up time
From VI connection to VO = 0.9 x VOnom
60
20
ms
A
IO
Output current
0
POmax
IIim
Max output power
Current limit threshold
Short circuit current
Output ripple and noise
At VO = VOnom
66.6
30
W
VO = 0.90 x VOnom @ TC<100°C
21
24
28
75
A
ISC
32
A
VOac
SVR
IO = IOmax
f<1kHz
f < 20 MHz
150
mVp-p
dB
Supply voltage
rejection (ac)
-53
3.9
OVP
Over voltage protection
4.4
5.0
V
Miscellaneous
Characteristics
Conditions
min
typ
max
Unit
η
Efficiency
TA = +25°C, VI = 53V, IO = IOmax
IO = IOmax, VI = 53V
88
90.5
%
Pd
fO
Power dissipation
Switching frequency
6.93
150
W
IO = 0.1...1.0 x IOmax
kHz
Data Sheet AE/LZT 137 57 R1 © Ericsson Components AB, August 1999
9
PKJ 4510 PI (50W)
TC = -40...+100°C, VI = 36...72 V dc unless otherwise specified.
Output
Characteristics
Conditions
Output
typ
min
max
Unit
VOi
Output voltage initial
TC = +25°C, VI = 53V, IO = IOmax
3.25
3.30
3.35
V
setting and accuracy
Output adjust range
IO = 0 to IOmax
IO = 0 to IOmax
2.64
3.2
3.63
3.4
V
V
VO
Output voltage
tolerance band
Line regulation
Load regulation
VI = 36...72V, IO = IOmax
VI = 53V, IO = 0 to IOmax
1
1
10
10
mV
mV
V
tr
Load transient
Voltage deviation
Load step = 0.25 x IOmax
dI/dt = 1A/µs
±100
mVpeak
ttr
Load transient
recovery time
50
35
µs
ts
Start-up time
From VI connection to VO = 0.9 x VOnom
60
15
ms
A
IO
Output current
0
POmax
IIim
Max output power
Current limit threshold
Short circuit current
Output ripple and noise
At VO = VOnom
50
W
VO = 0.90 x VOnom@ TC<100°C
16
19
21
75
22
A
ISC
23
A
VOac
SVR
IO = IOmax
f<1kHz
f < 20 MHz
150
mVp-p
dB
Supply voltage
rejection (ac)
-53
3.9
OVP
Over voltage protection
4.4
5.0
V
Miscellaneous
Characteristics
Conditions
min
typ
max
Unit
η
Efficiency
TA = +25°C, VI = 53V, IO = IOmax
IO = IOmax, VI = 53V
88
90.5
%
Pd
fO
Power dissipation
Switching frequency
5.2
W
IO = 0.1...1.0 x IOmax
150
kHz
Data Sheet AE/LZT 137 57 R1 © Ericsson Components AB, August 1999
10
PKJ 4111 API (150W)
TC = -40...+100°C, VI = 36...72 V dc unless otherwise specified.
Output
Characteristics
Conditions
Output
typ
min
max
Unit
VOi
Output voltage initial
TC = +25°C, VI = 53V, IO = IOmax
4.9
5.0
5.1
V
setting and accuracy
Output adjust range
IO = 0.1 to IOmax
IO = 0.1 to IOmax
4.0
5.5
V
V
VO
Output voltage
tolerance band
4.85
5.15
Line regulation
Load regulation
VI = 36...72V, IO = IOmax
VI = 53V, IO = 0.1 to IOmax
5
5
20
20
mV
mV
Vtr
ttr
Load transient
voltage deviation
Load step = 0.25 x IOmax
dI/dt = 1A/µs
±200
mVpeak
Load transient
recovery time
50
55
µs
ts
Start-up time
From VI connection to VO = 0.9 x VOnom
90
30
ms
A
IO
Output current
0
POmax Max output power
At VO = VOnom
150
42
W
IIim
Current limit threshold
Short circuit current
VO = .90 x VOnom @ TC<100°C
31
35
35
75
A
ISC
41
A
VOac
SVR
Output ripple and noise
IO = IOmax
f<1 kHz
f < 20 MHz
150
mVp-p
dB
Supply voltage
rejection (ac)
-53
5.8
OVP
Over voltage protection
6.1
7
V
Miscellaneous
Characteristics
Conditions
min
typ
max
Unit
η
Efficiency
TA = +25°C, VI = 53V, IO = IOmax
IO = IOmax, VI = 53V
88
90.5
15.7
200
%
Pd
fO
Power dissipation
Switching frequency
W
IO = 0.1...1.0 x IOmax
kHz
Data Sheet AE/LZT 137 57 R1 © Ericsson Components AB, August 1999
11
PKJ 4111 PI (100W)
TC = -40...+100°C, VI = 36...72 V dc unless otherwise specified.
Output
Characteristics
Conditions
Output
typ
min
max
Unit
VOi
Output voltage initial
TC = +25°C, VI = 53V, IO = IOmax
4.9
5.0
5.1
V
setting and accuracy
Output adjust range
IO = 0 to IOmax
IO = 0 to IOmax
4.0
5.5
V
V
VO
Output voltage
tolerance band
4.85
5.15
Line regulation
Load regulation
VI = 36...72V, IO = IOmax
VI = 53V, IO = 0.1 to IOmax
5
5
20
20
mV
mV
Vtr
ttr
Load transient
voltage deviation
Load step = 0.25 x IOmax
dI/dt = 1A/µs
±120
mVpeak
Load transient
recovery time
20
55
µs
ts
Start-up time
From VI connection to VO = 0.9 x VOnom
90
20
ms
A
IO
Output current
0
POmax Max output power
At VO = VOnom
100
32
W
IIim
Current limiting threshold
VO = 0.90 x VOnom @ TC<100°C
21
25
25
75
A
ISC
Short circuit current
31
A
VOac
SVR
Output ripple and noise
IO = IOmax
f<1 kHz
f < 20 MHz
150
mVp-p
dB
Supply voltage
rejection (ac)
-53
5.8
OVR
Over voltage protection
6.1
7
V
Miscellaneous
Characteristics
Conditions
min
typ
max
Unit
η
Efficiency
TA = +25°C, VI = 53V, IO = IOmax
IO = IOmax, VI = 53V
89
91.5
%
Pd
fO
Power dissipation
Switching frequency
9.3
W
IO = 0.1...1.0 x IOmax
200
kHz
Data Sheet AE/LZT 137 57 R1 © Ericsson Components AB, August 1999
12
PKJ 4711 PI (75W)
TC = -40...+100°C, VI = 36...72 V dc unless otherwise specified.
Output
Characteristics
Conditions
Output
typ
min
max
Unit
VOi
Output voltage initial
TC = +25°C, VI = 53V, IO = IOmax
4.9
5.0
5.1
V
setting and accuracy
Output adjust range
IO = 0 to IOmax
IO = 0 to IOmax
4.0
5.5
V
V
VO
Output voltage
tolerance band
4.85
5.15
Line regulation
Load regulation
VI = 36...72V, IO = IOmax
VI = 53V, IO = 0.1 to IOmax
5
5
20
20
mV
mV
Vtr
ttr
Load transient
voltage deviation
Load step = 0.25 x IOmax
dI/dt = 1A/µs
±100
mVpeak
Load transient
recovery time
15
55
µs
ts
Start-up time
From VI connection to VO = 0.9 x VOnom
90
15
ms
A
IO
Output current
0
POmax Max output power
At VO = VOnom
75
W
IIim
Current limiting threshold
VO = 0.90 x VOnom @ TC<100°C
16
20
22
75
26
A
ISC
Short circuit current
25
A
VOac
SVR
Output ripple and noise
IO = IOmax
f 1 kHz
f < 20 MHz
150
mVp-p
dB
Supply voltage
rejection (ac)
-53
5.8
OVP
Over voltage protection
6.1
7
V
Miscellaneous
Characteristics
Conditions
min
89
typ
max
Unit
η
Efficiency
TA = +25°C, VI = 53V, IO = IOmax
IO = IOmax, VI = 53V
91.5
%
Pd
fO
Power dissipation
Switching frequency
7.0
W
IO = 0.1...1.0 x IOmax
200
kHz
Data Sheet AE/LZT 137 57 R1 © Ericsson Components AB, August 1999
13
Typical Characteristics
PKJ 4719 PI (75W)
PKJ 4519 PI (50W)
PKJ 4319 PI (37.5W)
Data Sheet AE/LZT 137 57 R1 © Ericsson Components AB, August 1999
14
PKJ 4910 PI (99W)
4
3
2
1
PKJ 4610 PI (66W)
4
3
2
1
PKJ 4510 PI (50W)
4
3
2
1
Data Sheet AE/LZT 137 57 R1 © Ericsson Components AB, August 1999
15
PKJ 4111 API (150W)
PKJ 4111 PI (100W)
PKJ 4711 PI (75W)
Data Sheet AE/LZT 137 57 R1 © Ericsson Components AB, August 1999
16
EMC Specifications
The PKJ power module is mounted on a double sided printed circuit board PCB with groundplane during EMC
measurements.
The fundamental switching frequency is 200 kHz @ IO = IOmax.
Conducted EMI
Input terminal value with 100µF capacitor (typ) and additional PI filter.
dBuV
0.15MHz
1.0MHz
30MHz
10MHz
EMI Filter for PKJ Module
L1: 425µH, 8.1A (Coilcraft P3217A)
L2: 22µH, 7A (Coilcraft D055022-223)
Data Sheet AE/LZT 137 57 R1 © Ericsson Components AB, August 1999
17
Output Voltage Adjust (Trim)
Voltage Trimming
Operating Information
Input Voltage
All PKJ series DC/DC power modules have an Output Voltage
Adjust pin. This pin can be used to adjust the output voltage
above or below VOi. When increasing the output voltage, the
voltage at the output pins (including any remote sensing offset)
must be kept below the overvoltage trip point. Also note that
at elevated output voltages the maximum power rating of the
module remains the same, and the output current capability will
decrease correspondingly.
The input voltage range 36...72V meets the requirements in the
European Telecom Standard ETS 300 132-2 for normal input voltage
range in -48 V and -60 V DC power systems, -40.5...-57.0 V and
-50.0...-72.0 V respectively. At input voltages exceeding 72 V,
(abnormal voltage), the power loss will be higher than at normal
input voltage and TC must be limited to absolute max +90º C. The
absolute max continuous input voltage is 75 V DC. Output charac-
teristics will be marginally affected at input voltages exceeding 72 V.
To decrease VO connect Radj from - SEN to Trim
To increase VO connect Radj from + SEN to Trim
Remote Control (RC)
The RC pin can be wired directly to -In, to allow the module to
power up automatically without the need for control signals.
A mechanical switch or an open collector transistor or FET can be
used to drive the RC inputs. The device must be capable of sinking
up to 1mA at a low level voltage of 1.0V, maximum of 15 V dc, for
the primary RC.
Optional Remote Control
Standard Remote Control
RC (primary) Power module
RC (primary) Power module
Low
Open/High
OFF
ON
Low
Open/High
ON
OFF
Remote Sense
Decrease : Radj = (21*VO-2.5)/(2.5-VO) k ohm
All PKJ series DC/DC power modules have remote sense that can
be used to compensate for moderate amounts of resistance in the
distribution system and allow for voltage regulation at the load or
other selected point. The remote sense lines will carry very little
current and do not need a large cross sectional area. However, the
sense lines on a PCB should be located close to a ground trace or
ground plane. In a discrete wiring situation, the usage of twisted pair
wires or other technique for reducing noise susceptibility is
recommended.
Increase : Radj = (9.7*VO+1.225)/(0.49*VO-1.225) k ohm
The power module will compensate for up to 0.5 V voltage drop
between the sense voltage and the voltage at the power module
output pins. The output voltage and the remote sense voltage
offset must be less than the minimum overvoltage trip point.
If the remote sense is not needed the -Sen should be connected
to -Out and +Sen should be connected to +Out.
Current Limiting
General Characteristics
Decrease : Radj = (11VO-3.3)/(3.3-VO) k ohm
Increase : Radj = 15.94*(VO+0.207)/(VO-3.3) k ohm
All PKJ series DC/DC power modules include current limiting circuitry
that makes them able to withstand continuous overloads or short circuit
conditions on the output. The output voltage will decrease toward zero
for heavy overloads (see product code characteristics).
The power module will resume normal operation after removal of the
overload. The load distribution system should be designed to carry
the maximum short circuit output current specified (see applicable
code typical characteristics).
Over Voltage Protection (OVP)
All PKJ DC/DC power modules have latching output overvoltage
protection. In the event of an overvoltage condition, the power mod-
ule will shut down. The power module can be restarted by cycling
the input voltage.
Turn-off Input Voltage (VIoff)
Decrease : Radj = (11VO-4.965)/(4.965-VO) k ohm
Increase : Radj = (7.286*VO+1.225)/(0.2467*VO-1.225) k ohm
The power module monitors the input voltage and will turn on and
turn off at predetermined levels.
Data Sheet AE/LZT 137 57 R1 © Ericsson Components AB, August 1999
18
Low resistance and low inductance PCB (printed circuit board) layouts
and cabling should be used. Remember that when using remote sens-
ing, all the resistance, inductance and capacitance of the distribution
system is within the feedback loop of the power module. This can have
an effect on the modules compensation and the resulting stability and
dynamic response performance.
Paralleling for Redundancy
The figure below shows how n + 1 redundancy can be achieved.
The diodes on the power module outputs allow a failed module
to remove itself from the shared group without pulling down the com-
mon output bus. This configuration can be extended to
additional numbers of power modules and they can also be
controlled individually or in groups by means of signals to the
primary RC inputs.
As a rule of thumb, 100 µF/A of output current can be used without
any additional analysis. For example, with a 30A (max PO 150W)
power module, values of decoupling capacitance up to 3000 µF can be
used without regard to stability. With larger values of capacitance, the
load transient recovery time can exceed the specified value. As much of
the capacitance as possible should be outside of the remote sensing
loop and close to the load.The absolute maximum value of output
capacitance is 10,000 µF. For values larger than this contact your local
Ericsson representative.
Output Ripple & Noise (VO
)
ac
Output ripple is measured as the peak to peak voltage from 0 to
20MHz which includes the noise voltage and fundamental.
Quality
Reliability
Over Temperature Protection
The calculated MTBF of the PKJ module family is 3 million
hours using Bellcore TR-332 methodology. The calculation is valid
for an ambient temperature of 40°C and an output load 80% of
rated maximum.
The PKJ DC/DC power modules are protected from thermal overload
by an internal over temperature shutdown circuit. When the case
temperature exceeds +110°C, the power module will automatically
shut down (latching). To restart the module the input voltage must
be cycled. The internal temperature is a few degrees higher than the
case (baseplate) temperature.
Quality Statement
The power modules are designed and manufactured in an industrial
environment where quality systems and methods like ISO 9000, 6σ,
and SPC, are intensively in use to boost the continuous improvements
strategy. Infant mortality or early failures in the products are screened
out and they are subjected to an ATE-based final test.
Conservative design rules, design reviews and product qualifications,
plus the high competence of an engaged work force, contribute to the
high quality of our products.
Input and Output Impedance
The impedance of both the power source and the load will interact
with the impedence of the DC/DC power module. It is most important
to have the ratio between L and C as low as possible, i.e. a low charac-
teristic impedance, both at the input and output, as the power mod-
ules have a low energy storage capability. The PKJ series of DC/DC
power modules has been designed to be completely stable without the
need for external capacitors on the input or output when configured
with low inductance input and output circuits. The performance in
some applications can be enhanced by the addition of external capaci-
tance as described below. If the distribution of the input voltage source
to the power module contains significant inductance, the addition of a
220-470 µF capacitor across the input of the power module will help
insure stability. Tantalum capacitors are not recommended due to their
low ESR-value. This capacitor is not required when powering the
module from a low impedance source with short, low inductance,
input power leads.
Warranty
Ericsson Components warrants to the original purchaser or end user
that the products conform to this Data Sheet and are free from material
and workmanship defects for a period of five (5) years from the date of
manufacture, if the product is used within specified conditions and not
opened.
In case the product is discontinued, claims will be accepted up to three
(3) years from the date of the discontinuation. For additional details on
this limited warranty we refer to Ericsson Components AB’s “General
Terms and Conditions of Sales”, EKA 950701, or individual contract
documents.
Output Capacitance
When powering loads with significant dynamic current requirements,
the voltage regulation at the load can be improved by the addition of
decoupling capacitance at the load. The most effective technique is to
locate low ESR ceramic capacitors as close to the load as possible, using
several capacitors to lower the effective ESR. These ceramic capacitors
will handle the short duration high frequency components of the
dynamic current requirement. In addition, higher values of electrolytic
capacitors should be used to handle the mid frequency components. It
is equally important to use good design practices when configuring the
DC distribution system.
Limitation of Liability
Ericsson Components does not make any other warranties, expressed
or implied including any warranty of merchantability or fitness for a
particular purpose (including, but not limited to use in life support
applications, where malfunctions of product can cause injury to a
person’s health or life).
Data Sheet AE/LZT 137 57 R1 © Ericsson Components AB, August 1999
19
Product Program
VI
VO/IO
POmax
75W
Ordering Number
PKJ 4719 PI
PKJ 4519 PI
PKJ 4319 PI
PKJ 4910 PI
PKJ 4610 PI
PKJ 4510 PI
PKJ 4111 API
PKJ 4111 PI
PKJ 4711 PI
48/60 V
48/60 V
48/60 V
48/60 V
48/60 V
48/60 V
48/60 V
48/60 V
48/60 V
2.5V/30A
2.5V/20A
2.5V/15A
3.3V/30A
3.3V/20A
3.3V/15A
5V/30A
50W
37.5W
100W
66W
50W
150W
100W
75W
5V/20A
5V/15A
To order with Optional Remote Control add P to end of ordering number for
example PKJ 4719 PIP.
Ericsson Energy Systems’ Sales Offices:
Brazil:
Phone: +55 11 681 0040
Phone: +45 33 883 109
Phone: +358 9 299 4098
Phone: +33 1 4083 7720
Phone: +49 211 534 1516
Phone: +44 1793 488 300
Phone: +852 2590 2356
Phone: +39 2 7014 4203
Phone: +81 3 5216 9091
Phone: +47 66 841 906
Phone: +7 095 247 6211
Phone: +34 91 339 1858
Phone: +46 8 721 6258
Phone: +1 888 853 6374
Fax: +55 11 681 2051
Fax: +45 33 883 105
Fax: +358 9 299 4188
Fax: +33 1 4083 7741
Fax: +49 211 534 1525
Fax: +44 1793 488 301
Fax: +852 2590 7152
Fax: +39 2 7014 4260
Fax: +81 3 5216 9096
Fax: +47 66 841 909
Fax: +7 095 247 6212
Fax: +34 91 339 3145
Fax: +46 8 721 7001
Fax: +1 972 583 7999
Denmark:
Finland:
France:
Germany:
Great Britain:
Hong Kong:
Italy:
Japan:
Norway:
Russia:
Information given in this data sheet is believed
to be accurate and reliable. No respnsibility is
assumed for the consequences of its use nor for
any infringement of patents or other rights of
third parties which may result from its use. No
license is granted by implication or otherwise
under any patent or patent rights of Ericsson
Components. These products are sold only
according to Ericsson Components’ general
conditions of sale, unless otherwise confirmed
in writing.
Specifications subject to change without notice.
Spain:
Sweden:
United States:
Preliminary Data Sheet
Ericsson Components AB
Energy Systems Division
SE-164 81 Kista-Stockholm, Sweden
Phone: +46 8 721 6258 Fax: +48 8 721 7001
Internet: www.ericsson.com/energy
AE/LZT 137 57 R1
© Ericsson Components AB, August 1999
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