40IMX4-1212-8KZ [BEL]
DC-DC Regulated Power Supply Module;
| 型号： | 40IMX4-1212-8KZ |
| 厂家： | 
BEL FUSE INC. |
| 描述： | DC-DC Regulated Power Supply Module |
| 文件： | 总12页 (文件大小：644K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
IMX4 Series Data Sheet
4 Watt DC-DC Converters
®
Features
• RoHS lead-free-solder and lead-solder-exempted
products are available.
• Input voltage ranges up to 121 VDC
• 1 or 2 isolated outputs up to 48 V
• Extremely wide input voltage ranges
• Immunity according to IEC/EN 61000-4-2, -3, -4, -5, -6
• High efficiency (typ. 83%)
8.5
0.34"
32
1.25"
20
0.8"
• Flexible load distribution on outputs
• Outputs no-load, overload, and short-circuit proof
• High reliability
• Operating ambient temperature –40 to +85 °C
• Thermal protection
• Industrial and alternative pinout
• DIL 24 case with 8.5 mm profile
Safety-approved to IEC 60950-1 2nd Ed and CSA/UL
60950-1 2nd Ed.
2
1
1 except 70IMX4
2 70IMX4 models
Description
60950-1 2nd Ed. 70IMX4 models are CE-marked.
The IMX4 Series of board-mountable, 4-watt DC-DC
converters has been designed according to the latest industry
requirements and standards. The converters are particularly
suitable for use in mobile or stationary applications in
transport, industry, or telecom, where variable input voltages or
high transient voltages are prevalent.
A special feature is their small case size, DIL 24 with only
8.5 mm profile. The circuit is comprised of integrated planar
magnetics, and all components are automatically assembled
and solidly soldered onto a single PCB without any wire
connection. Thanks to the rigid mechanical design, the
converters withstand an extremely high level of shock and
vibrations. Careful considerations of possible thermal stresses
ensure the absence of hot spots providing long life in
environments where temperature cycles are a reality. The
thermal design allows operation at full load up to an ambient
temperature of 85 °C in free air without using any potting
material.
Covering a total input voltage range from 8.4 VDC up to
121 VDC with three different models, the converters are
available with single and dual outputs from 3.3 up to 24 VDC
with flexible load distribution. Features include efficient input
and output filtering with unsurpassed transient and surge
protection, low output ripple and noise, consistently high
efficiency over the entire input voltage range and high
reliability as well as excellent dynamic response to load and
line changes.
Several options, such as open-frame or an alternative
industrial pinout, provide a high level of application-specific
engineering and design-in flexibility.
The converters exhibit basic insulation and are designed and
built according to the international safety standards IEC/EN
Table of Contents
Page
Page
Description ............................................................................. 1
Model Selection ..................................................................... 2
Functional Description ........................................................... 3
Electrical Input Data ............................................................... 4
Electrical Output Data ............................................................ 6
Electromagnetic Compatibility (EMC) .................................... 8
Mechanical Data .................................................................... 9
Immunity to Environmental Conditions ................................ 10
Safety and Installation Instructions ...................................... 10
Description of Options ......................................................... 11
BCD20006-G Rev AC, 06-Jul-2012
Page 1 of 12
www.power-one.com
IMX4 Series Data Sheet
4 Watt DC-DC Converters
®
Model Selection
Table 1: Model Selection
Output 1
Vo1 nom Io1 nom
[VDC] [mA]1
Output 2
Output power
Po nom
Input voltage
range
Efficiency
Model
Options2
Vo2 nom
Io2 nom
[mA]1
ηmin
ηtyp
[%]
[VDC]
[W]
[VDC]
[%]
3.3
3.3
900
900
-
-
-
-
3.0
3.0
8.4 to 36
16.8 to 75
77.3
77
79
80
20IMX4-03-8
40IMX4-03-8
Z, G
Z, G
5
5
5
5
700
700
700
700
-
-
-
-
-
-
-
-
3.5
3.5
3.5
3.5
4.7 to 16.8
8.4 to 36
16.8 to 75
40 to 121
76
78
78
-
5IMX4-05-8
20IMX4-05-8
40IMX4-05-8
70IMX4-05-8
Z, G
K, Z, G
K, Z, G
G
81
81
78
75.5
12
12
12
12
300
340
340
340
-
-
-
-
-
-
-
-
3.6
4.1
4.1
4.1
4.7 to 16.8
8.4 to 36
16.8 to 75
40 to 121
79
78
78
77
-
5IMX4-12-8
20IMX4-12-8
40IMX4-12-8
70IMX4-12-8
Z, G
K, Z, G
K, Z, G
G
82
82
82
15
15
15
15
250
280
280
280
-
-
-
-
-
-
-
-
3.75
4.2
4.2
4.2
4.7 to 16.8
8.4 to 36
16.8 to 75
40 to 121
79
78
78.7
77
-
5IMX4-15-8
20IMX4-15-8
40IMX4-15-8
70IMX4-15-8
Z, G
K, Z, G
K, Z, G
G
82
82
82
+5
+5
+5
350
350
350
–5
–5
–5
350
350
350
3.5
3.5
3.5
8.4 to 36
16.8 to 75
40 to 121
77
76
75.5
81
81
78
20IMX4-0505-8
40IMX4-0505-8
70IMX4-0505-8
K, Z, G
K, Z, G
G
+12
+12
170
170
–12
–12
170
170
4.1
4.1
8.4 to 36
16.8 to 75
76
76
82
82
20IMX4-1212-8
40IMX4-1212-8
K, Z, G
K, Z, G
+15
+15
140
140
–15
–15
140
140
4.2
4.2
8.4 to 36
16.8 to 75
78
76
82
82
20IMX4-1515-8
40IMX4-1515-8
K, Z, G
K, Z, G
+24
+24
80
80
–24
–24
80
80
3.8
3.8
8.4 to 36
16.8 to 75
76
76
83
83
20IMX4-2424-8
40IMX4-2424-8
Z, G
Z, G
1
2
Flexible load distribution on double-outputs possible
For availibility and lead times ask Power-One !
Preferred for new designs.
Part Number Description
Input voltage range Vi
20 IMX4 - 05 05 -8 K Z G
4.7 to 16.8 VDC ........................................... 5
8.4 to 36 VDC ............................................ 20
16.8 to 75 VDC .......................................... 40
40 to 121 VDC ........................................... 70
Series ........................................................................ IMX4
Output voltage of output 1 ...................... 03, 05, 12, 15, 24
Output voltage of output 2 ............................ 05, 12, 15, 24
Operating ambient temperature range –40 to 85 °C .... -8
Options:
Alternative pinout ......................................... K
Open frame.................................................. Z
RoHS compliant for all six substances........G1
1
G is always placed at the end of the part number. G is preferred for new designs.
Note: The sequence of options must follow the order above.
Example: 40IMX4-0505-8KG: DC-DC converter, input voltage range 16.8 to 75 V, 2 outputs providing ± 5 V, 350 mA,
temperature range –40 to 85 °C, alternative pinout, RoHS-compliant for all six substances
BCD20006-G Rev AC, 06-Jul-2012
Page 1 of 12
www.power-one.com
IMX4 Series Data Sheet
4 Watt DC-DC Converters
®
03046
Functional Description
1
2
13
12
Vi+
n.c.
Vo+
Vo–
The IMX4 Series converters are feedback-controlled flyback
converters using current mode PWM (Pulse Width
Modulation). The input is protected against transients by
means of a suppressor diode.
PWM
The output voltage is monitored by a separate transformer
winding close to the secondary windings and fed back to the
control circuit.
24
Vi–
Current limitation is provided by the primary circuit, thus
limiting the total output current (Io nom for single- and the sum
Io1 nom + Io2 nom for dual-output models).
Fig. 3
The close magnetic coupling provided by the planar
construction ensures very good regulation and allows for
flexible load distribution on dual-output models.
Block diagram for single-output models with alternative
pinout (option K).
03044
22
23
14
Vi+
Vo+
Vo–
03047
15
1
Vo+
Vi+
PWM
PWM
16
10
10
11
Go
2
3
Vi–
13
Vo–
24
Vi–
Fig. 1
Block diagram for single-output models with standard
pinout.
Fig. 4
Block diagram for dual-output models with alternative
pinout (option K).
03045
22
23
14
16
11
Vo+
Go
Vi+
PWM
2
3
Vo–
Vi–
Fig. 2
Block diagram for dual-output models with standard
pinout.
BCD20006-G Rev AC, 06-Jul-2012
Page 3 of 12
www.power-one.com
IMX4 Series Data Sheet
4 Watt DC-DC Converters
®
Electrical Input Data
General conditions: TA = 25 °C, unless TC is specified.
Table 2: Input Data
Input
5IMX4
20IMX4
40IMX4
70IMX4
Unit
Characteristics
Conditions
min typ max min typ max min typ max min typ max
Vi
Input voltage range
TC min to TC max
Io = 0 to Io nom
4.7 5.0 16.8 8.4
36 16.8 2
75 40
100
121
150
VDC
Vi nom Nominal input voltage
5.0
20
40
70
Vi sur Repetitive surge voltage abs. max input (3 s)
--
40
tstart-up Converter start-uptime1 Worst case condition at
Vi min and full load
0.25 0.5
0.25 0.5
0.25 0.5
0.25 0.5
s
trise
Rise time 1
Vi nom
Io nom
resistive load
--
--
5
5
5
ms
capacitive load
12
12
12
Ii o
Ci
No-load input current
Input capacitance
Io = 0, Vi min to Vi max
--
15 20
0.54
3.7
5
10
60
5
10
30
mA
µF
--
0.3
4.2
400
0.15
5.6
3
Iinr p
fs
Inrush peak current
Switching frequency
Vi = Vi nom
3.8
400
--
A
Vi min to Vi max, Io = 0 to Io nom
400
100
A
400
kHz
mApp
Class
Ii rr
Reflected ripple current Io = 0 to Io nom
vi RFI Input RFI level
EN 55011/55022 4
--
A
A
conducted
1
Measured with a resistive or max. admissible capacitive load; see fig. 5
Operation at lower input voltage possible: Po approx. 80% of Po nom at Vi min = 14.4 V
Source impedance according to ETS 300132-2, version 4.3.
2
3
4
External capacitors required according to table 3.
Start-up
Filter to Comply with EN 55011/55022
Vo
Vo nom
trise
04008b
Electromagnetic emission requirements according to table
Electrical Input Data can be achieved by adding an external
capacitor as close as possible to the input terminals (see fig. 7
and table 3).
t
04035b
tstartup
Vi+
Fig. 5
Converter start-up and rise time
+
Ci
Inrush Current
Vi–
Fig. 7
The inrush current has been kept as low as possible by
choosing a very small input capacitance. A series resistor may
be inserted in the input line to further limit this current.
Input capacitors
04034a
A
Table 3: Input electrolytic capacitors
Model
20IMX4
40IMX4
70IMX4
3
2
Ci
100 µF
50 V
47 µF
100 V
330 µF
200 V
1
0
0
10
20
30
40
µs
Fig. 6
Typ. inrush current at Vi nom, Po nom versus time measured
according to ETS 300132-2, version 4.3 (40IMX4).
BCD20006-G Rev AC, 06-Jul-2012
Page 4 of 12
www.power-one.com
IMX4 Series Data Sheet
4 Watt DC-DC Converters
®
Input Transient Voltage Protection
Fuse and Reverse Polarity Protection
In many applications transient voltages on the converter input
are always possible. These may be caused for example by
short circuits between Vi+ and Vi–, where the network
inductance may generate high energy pulses.
The suppressor diode on the input also protects against
reverse polarity input voltage. An external fast fuse is required
to limit this reverse current; see table below.
In order to protect the converter, a transient voltage
suppressor diode is fitted to the input; see table below.
Table 6: External input fuse
Model
Fuse type
Fast 1.6 A
Fast 1 A
Table 4: Built-in transient voltage suppressor
5IMX4
Model
Breakdown
voltage
VBR nom
Peak power
at 1 ms
PP
Peak pulse
current
IPP
20IMX4
40IMX4
70IMX4
Fast 0.5 A
Fast 0.315 A
5IMX4
--
--
--
20IMX4
40IMX4
70IMX4
40 V
100 V
150 V
600 W
600 W
600 W
10.3 A
4.1 A
2.9 A
If transients generating currents above the peak pulse current
IPP are possible, an external limiting network such as the circuit
shown in figure 8 is recommended. It provides compliance with
transients according to IEC/EN 61000-4-5, level 2. The comp-
onents are specified in table 5.
If 40IMX4 converters should withstand 150 V transients
according to 19Pfl1, the same external circuitry with similar
components as shown in figure 8 can be used.
04036b
Li
Vi+
+
Ci
D
Vi–
Fig. 8
External circuitry to comply with
IEC/EN 61000-4-5, level 2.
Table 5: Components for the circuitry fig. 8
Model
20IMX4
40IMX4
70IMX4
Li
330 µH, 0.42 W
1 A
330 µH, 0.42 W
0.6 A
330 µH, 0.65 W
0.3 A
Ci
68 µF, 50 V
68 µF, 100 V
100 µF, 200 V
–
D
ON 1.5KE 39 A
ON 1.5KE 82 A
BCD20006-G Rev AC, 06-Jul-2012
Page 5 of 12
www.power-one.com
IMX4 Series Data Sheet
4 Watt DC-DC Converters
®
Electrical Output Data
General conditions: TA = 25 °C, unless TC is specified.
Table 7a: Output data for single-output models
Output
Vo nom
3.3 V
5 V
12 V
15 V
Unit
Characteristics
Conditions
Vi nom,Io =0.5Io nom
Vi min toVi max 5IMX4
others
min typ max min typ max min typ max min typ max
Vo
Output setting voltage
3.27
3.33 4.96
5.04 11.90
12.10 14.88
325
15.12
V
Io nom Output current (nom.)
--
700
700
300
340
250
280
mA
900
Io L
Current limit2
Vi nom
5IMX4 950
others 1260
1000
375
1800 955
1400 476
680
1
392
560
1
∆Vo V Line regulation
Vi min to Vi max, Io nom
1
1
3
%
∆V
Load regulation
Vi nom
3.5
3
3
Io = (0.1 to 1) Io nom
5
6
vo
Output voltage noise
Vi min to Vi max
Io = Io nom
80
40
80
40
120
60
150 mVpp
75
20
20
40
50
Vo clp Output overvoltage
Min. load 1%
130
130
130
130
%
limitation
Co ext Admissible capacitive load
0
680
0
680
0
150
0
100
µF
mV
ms
vo d
td
Dynamic Voltage deviat. Vi nom
250
1
250
1
250
1
250
1
load
Io = (1 to 0.5) Io nom
Recovery time
regulat.
αVo
Temperature coefficient
Vi min to Vi max
0.02
0.02
0.02
0.02
%/K
∆Vo/∆TC
Io = (0.1 to 1) Io nom
Table 7b: Output data for dual-output models
Output
Vonom
±5 V
±12 V
±15 V
±24 V
Unit
Characteristics
Conditions
Vi nom
Io1 = Io2 = 0.5 Io nom 4.95
min typ max min typ max min typ max min typ max
Vo1
Vo2
Output setting voltage
4.96
5.04 11.90
5.05 11.88
12.10 14.88
12.12 14.85
15.12 23.81
15.15 23.75
24.19
24.25
V
Io nom Output current (nom.) 1
Vi min to Vi max
2 x 350
2 x 170
2 x 140
2 x 80
mA
Io L
∆Vo V Line regulation
∆V
Load regulation 4
Current limit 2 3
Vi nom, TC = 25 °C
1000
474
392
232
Vi min to Vi max, Io nom
1
3
1
1
3
1
3
%
Vi nom
3.5
Io = (0.1 to 1) Io nom
5
vo1, 2 Output voltage noise
Vi min to Vi max
Io = Io nom
100
60
140
45 70
130
150
75
240 mVpp
40 120
130
6
40
50
Vo clp Output overvoltage
Min. load 1%
130
130
%
limitation
Co ext Admissible capacitive load 3
0
680
0
150
0
100
0
47
µF
mV
ms
vo d
td
Dynamic Voltage deviat. Vi nom
250
1
600
1
750
1
750
1
load
Io = (1 to 0.5) Io nom
Recovery time
regulat.
αVo
Temperature coefficient
Vi min to Vi max
0.02
0.02
0.02
0.02
%/K
∆Vo/∆TC
Io = (0.1 to 1) Io nom
1
Each output is capable of delivering full output power.
The current limit is primary side controlled.
Sum of both outputs
Conditions for specified output. Other output loaded with constant current Io = 0.5 Io nom
BW = 20 MHz
2
3
4
5
6
.
Measured with a probe according to EN 61204
BCD20006-G Rev AC, 06-Jul-2012
Page 6 of 12
www.power-one.com
IMX4 Series Data Sheet
4 Watt DC-DC Converters
®
Thermal Considerations
Connection in Parallel
If a converter, mounted on a PCB, is located in free, quasi-
stationary air (convection cooling) at the maximum ambient
temperature TA max (see table Temperature specifications)
and is operated at nominal input voltage and output power,
the case temperature TC measured at the measuring point of
case temperature TC (see Mechanical Data) will approach the
indicated value TC max after the warm-up phase. However, the
relationship between TA and TC depends heavily on the
conditions of operation and integration into a system. The
thermal conditions depend on input voltage, output current,
airflow, temperature of surrounding components and surfaces
and the properties of the printed circuit board. TA max is
therefore only an indicative value, and under practical
operating conditions, the ambient temperature TA may be
higher or lower.
Several converters with equal output voltage can be
connected in parallel and will share their output current quite
equally. However, this may cause start-up problems and is only
recommended in applications, where one converter is able to
deliver the full load current, e.g., in true redundant systems.
Typical Performance Curves
Vo [V]
05056b
5.25
5.0
4.75
4.5
Caution: The case temperature TC measured at the measuring
point of case temperature TC (see Mechanical Data) may under no
circumstances exceed the specified maximum. The installer must
ensure that under all operating conditions TC remains within the
limits stated in the table Temperature Specifications.
4.25
Io
4.0
0
0.1
0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 A
0.2
Fig. 10
Short Circuit Behavior
Vo versus Io (typ) of single-output models (20IMX4-05)
The current limitation shuts down the converter, when a short
circuit is applied to the output. It acts self-protecting, and
automatically recovers after removal of the overload condition.
Vo1 + Vo2 [V]
05057a
31.5
31
05041a
Vo [%]
30.5
30
overload short circuit condition
100
switch-off
70
29.5
29
Io
28.5
0
20
40
60
80
100
120 140 mA
t [ms]
0
0.3 s
Fig. 11
Fig. 9
Vo versus Io (typ.) of dual-output models (±15 V), with load
connected between Vo+ and Vo–.
Overload switch-off (hiccup mode).
Vo1 [V]
Output Overvoltage Protection
05058a
16.5
The outputs are protected against overvoltages by Zener
diodes. In the event of an overvoltage, the converter will shut-
down and attempt to restart automatically. The main purpose
of this feature is to protect against possible overvoltages,
which could occur due to a failure in the feedback control
circuit. The converters are not designed to withstand external
overvoltages applied to the outputs.
16
15.5
Io2 = 140 mA
15
Io2 = 14 mA
14.5
Connection in Series
Io1
140 mA
14
The outputs of single or dual-output models can be connected
in series without any precautions, taking into consideration
that the output voltage should remain below 60 V for SELV
operation.
0
120
20
40
60
80
100
Fig. 12
Cross load regulation of dual-output models. Vo1 versus Io1
(typ) for various Io2 (40IMX4-1515).
BCD20006-G Rev AC, 06-Jul-2012
Page 7 of 12
www.power-one.com
IMX4 Series Data Sheet
4 Watt DC-DC Converters
®
η [%]
Vo1, Vo2 [V]
05060a
05059b
90
12.8
Vi nom
Vi max
Vi min
80
70
12.4
12
Vo2
Vo1
60
50
11.6
Io1
11.2
0
Po1
Po nom
40
25
60
90
120
150 % Io1 nom
30
[%]
50
100
75
Fig. 13
Fig. 14
Flexible load distribution on dual outputs (2 ×12 V) with
Efficiency versus input voltage and load.
Typical values (40IMX4-1212).
load variation from 0 to 150% of Po1 nom on output 1.
Output 2 loaded with 25% of Po2 nom
.
Electromagnetic Compatibility (EMC)
Electromagnetic Immunity
Table 8: Immunity type tests
Phenomenon Standard
Class
level
Coupling
mode
Value
applied
Waveform
Source
imped.
Test
procedure
In
Per-
2
oper. form.
Electrostatic
discharge
to case
IEC/EN
61000-4-2
2
3
contact discharge 4000 Vp
1/50 ns
330 Ω
10 positive and
10 negative
discharges
yes
B
air discharge
8000 Vp
Electromagnetic IEC/EN
3 3
3
antenna
10 V/m
AM 80%
1 kHz
n.a.
n.a.
80 – 1000 MHz
yes
yes
A
A
field
61000-4-3
antenna
10 V/m
PM, 50% duty
cycle, 200 Hz
repetition frequ.
900 MHz
Electrical fast
transients/burst 61000-4-4
IEC/EN
4
direct +i/–i
4000 Vp bursts of 5/50 ns
5 kHz repet. rate,
15 ms burst,
50 Ω
60 s positive
60 s negative
coupling mode
yes
B
300 ms period
Surges
IEC/EN
61000-4-5
24
3
+i/–i
+i/–i
1000 Vp
1.2/50 µs
2 Ω
5 pos. and 5 neg.
surges
yes
yes
B
A
RF conducted
immunity
IEC/EN
61000-4-6
3 VAC
(140 dBµV)
AM 80%
1 kHz
50 Ω
0.15 to 80 MHz
150 W
1
i = input, o = output
2
3
4
Performance criterion: A = normal operation, no deviation from specifications, B = temporary loss of function or deviation from specs.
Corresponds to the railway standard EN 50121-3-2:2000, table 9.1
External components required.
BCD20006-G Rev AC, 06-Jul-2012
Page 8 of 12
www.power-one.com
IMX4 Series Data Sheet
4 Watt DC-DC Converters
®
Electromagnetic Emission
Mechanical Data
Dimensions in mm (inchies).
Tolerances 0.3 mm
Conducted RFI noise at input according to EN 55011/55022
20IMX4-2424-8, Peak Vi+, conducted, 0.15 - 30 MHz, Uster, 30-Jun-06
Ci = 100 µF, Vi = 20 V, Ro = 660 ohm, lead length 10 cm.
dbµV
33 (1.3")
European
Projection
80
EN 55011 A
11 x 2.54 (0.1")
70
60
50
40
30
20
10
24
1
13
12
0.2
0.5
1
2
5
10
20 MHz
Measuring point
of case temperature TC
Fig. 15a
s09042b
Typical disturbance voltage (peak) at the pos. input according
to EN 55011/55022, measured at Vi nom and Io nom
.
Output leads 0.1 m, twisted. Input capacitors see table 3.
(20IMX4-2424-8).
0.5 (0.02")
Fig. 16
40IMX4-05-8Z, Peak Vi+, conducted, 0.15 - 30 MHz, Uster, 30-Jun-06
Ci = 47 µF, Vi = 40 V, Ro = 8.2 ohm, lead length 10 cm.
dbµV
Standard or alternative pinout (option K)
Weight: <10 g
80
EN 55011 A
70
60
50
40
30
20
10
European
Projection
31 (1.22")
11 x 2.54 (0.1")
24
1
13
12
0.2
0.5
1
2
5
10
20 MHz
Fig. 15b
3 (0.12")
Typical disturbance voltage (peak) at the pos. input according
to EN 55011/55022, measured at Vi nom and Io nom
S90004a
.
Output leads 0.1 m, twisted. Input capacitors see table 3.
(40IMX4-05-8Z).
0.5 (0.02")
70IMX4-15-8, Peak Vi+, conducted, 0.15 - 30 MHz, Uster, 1-Sep-06
Ci = 330 µF, Vi = 70 V, Ro = 68 ohm, lead length 10 cm.
dbµV
Fig. 17
Open frame (option Z)
Weight: <10 g
80
EN 55011 A
70
60
50
40
30
20
10
0.2
0.5
1
2
5
10
20 MHz
Fig. 15c
Typical disturbance voltage (peak) at the pos. input according
to EN 55011/55022, measured at Vi nom and Io nom
.
Output leads 0.1 m, twisted. Input capacitors see table 3.
(70IMX4-15-8).
BCD20006-G Rev AC, 06-Jul-2012
Page 9 of 12
www.power-one.com
IMX4 Series Data Sheet
4 Watt DC-DC Converters
®
Immunity to Environmental Conditions
Table 9: Mechanical and climatic stress
Test Method
Standard
Test conditions
Status
Ca
Ea
Eb
Fc
Damp heat
steady state
IEC/EN 60068-2-78
MIL-STD-810D section 507.2
Temperature:
Relative humidity:
Duration:
40 2 °C
Converter
not
operating
93 +2/-3
%
56 days
Shock
(half-sinusoidal)
IEC/EN 60068-2-27 1
MIL-STD-810D section 516.3
Acceleration amplitude:
Bump duration:
Number of bumps:
100 gn = 981 m/s2
6 ms
18 (3 each direction)
Converter
operating
Bump
(half-sinusoidal)
IEC/EN 60068-2-29
MIL-STD-810D section 516.3
Acceleration amplitude:
Bump duration:
Number of bumps:
40 gn = 392 m/s2
6 ms
6000 (1000 each direction)
Converter
operating
Vibration
(sinusoidal)
IEC/EN 60068-2-6
IEC/EN 60068-2-64
IEC/EN 60068-2-52
Acceleration amplitude:
0.35 mm (10 to 60 Hz)
5 gn = 49 m/s2 (60 to 2000 Hz)
10 to 2000 Hz
Converter
operating
Frequency (1 Oct/min):
Test duration:
7.5 h (2.5 h each axis)
Fh
Kb
1
Vibration,
broad-band
random
Acceleration spectral density: 0.05 gn2/Hz
Frequency band:
Acceleration magnitude:
Test duration:
Converter
operating
10 to 500 Hz
4.9 gn rms
3 h (1 h each axis)
(digital control)
Salt mist, cyclic
(sodium chloride
NaCl solution)
Concentration:
Duration:
Storage:
5% (30 °C)
2 h per cycle
40 °C, 93% rel. humidity
Converter
not
operating
Cycles and storage duration: 3 days, 22 h per cycle
Covers also EN 50155/EN 61373 category 1, class B, body mounted (= chassis of coach)
Temperatures
Table 10: Temperature specifications, valid for air pressure of 800 to 1200 hPa (800 to 1200 mbar)
Temperature
Standard (-8)
Unit
Characteristics
Conditions
Operational 1
min
max
85
TA
TC
TS
Ambient temperature
–40
–40
–55
°C
Case temperature
105
105
Storage temperature
Non operational
1
See Thermal Considerations
Failure Rates
Table 11: MTBF
MTBF
Ground benign
Ground fixed
Ground mobile
Unit
TC = 40 °C
TC = 40 °C
TC = 70 °C
TC = 50 °C
40IMX4-05-8 (MIL-HDBK-217F)
40IMX4-1212-8 (Bellcore)
890 000
440 000
247 000
917 000
362 000
476 000
h
3 535 000
1 768 000
BCD20006-G Rev AC, 06-Jul-2012
Page 10 of 12
www.power-one.com
IMX4 Series Data Sheet
4 Watt DC-DC Converters
®
Standards and Approvals
Safety and Installation Instructions
The converters are approved according to UL/CSA 60950,IEC
60950-1:2001 and IEC/EN 60950-1 2nd Edition.
Installation Instruction
Installation of the dc-dc converters must strictly follow the
national safety regulations in compliance with the enclosure,
mounting, creepage, clearance, casualty, markings and
segregation requirements of the end-use application.
The converters have been evaluated for:
• Building-in
• Basic insulation input to output, based on their maximum
input voltage
Connection to the system shall be made via a printed circuit
board; see Mechanical Data.
• Pollution degree 2 environment
• Connecting the input to a secondary circuit, which is subject
to a maximum transient rating of 1500 V for 20IMX4 and
40IMX4, and 2000 V for 70IMX4 models.
The converters should be connected to a secondary circuit.
Do not open the converter.
The converters are subject to manufacturing surveillance in
accordance with the above mentioned standards and with ISO
9001:2000.
Ensure that a converter failure does not result in a hazardous
condition.
To prevent excessive current flowing through the input lines in
case of a short-circuit, an external fuse specified in table 6
should be installed in the non-earthed input supply line.
Railway Applications
To comply with railway standards, all components are coated
with a protective lacquer (except option Z).
Pin Allocation
Protection Degree
10013a
The protection degree of the converters is IP 30, except open-
frame models (option Z).
24
13
12
Bottom view
1
Cleaning Liquids
In order to avoid possible damage, any penetration of cleaning
fluids should be prevented, since the power supplies are not
hermetical sealed.
Fig. 18
Foot print
However, open-frame models (option Z) leave the factory
unlacquered; they may be lacquered by the customer, for
instance together with the mother board. Cleaning agents are
not permitted – except washing at room temperature with
isopropyl alcohol. If necessary, the mother board must be
cleaned, before fitting the open-frame converter.
Table 12: Pin allocation for standard and option Z
Pin
2
Single-output models
Dual-output models
Vi–
Vi–
n.c.
--
Vi–
Vi–
--
3
10
11
14
16
22
23
Note: Cleaning liquids may damage the adhesive joints of the
ferrite cores.
Vo–
Vo+
Go
Vo+
Vo–
Vi+
Vi+
Isolation
The electric strength test is performed in the factory as routine
test in accordance with EN 50116 and IEC/EN 60950, and
should not be repeated in the field. Power-One will not honor
any warranty claims resulting from electric-strength field tests.
Vi+
Vi+
Table 13: Pin allocation for option K
Table 14: Electric strength test voltages
Pin
1
Single-output models
Dual-output models
Vi+
n.c.
--
Vi+
--
Characteristic
Input to output
Unit
5IMX4 20/40IMX4 70IMX4
2
Factory test >1 s
0.77
1.0
2.2
--
1.2
1.5
1.5
2.0
kVAC
kVDC
nF
10
11
12
13
15
24
Go
Go
--
Equivalent DC test voltage
Coupling capacitance
Insulation resist. (500 VDC)
--
typ. 1.1
>100
typ. 1.1
>100
Vo–
Vo+
--
MΩ
Vo–
Vo+
Vi–
Vi–
BCD20006-G Rev AC, 06-Jul-2012
Page 11 of 12
www.power-one.com
IMX4 Series Data Sheet
4 Watt DC-DC Converters
®
Description of Options
Option K: Alternative Pinout
This pinout is compatible with other converters on the market.
Option Z: Open Frame
For applications, where the protection of the case is not
necessary or in the case that the motherboard should be
cleaned and lacquered with the converter fitted.
Option G: RoHS-6
Converters with a type designation ending with G are RoHS-
compatible for all six substances.
NUCLEAR AND MEDICAL APPLICATIONS - Power-One products are not designed, intended for use in, or authorized for use as critical
components in life support systems, equipment used in hazardous environments, or nuclear control systems without the express written
consent of the respective divisional president of Power-One, Inc.
TECHNICAL REVISIONS - The appearance of products, including safety agency certifications pictured on labels, may change depending on the
date manufactured. Specifications are subject to change without notice.
BCD20006-G Rev AC, 06-Jul-2012
Page 12 of 12
www.power-one.com
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