20IMX4-12-8 Datasheet, PDF (8/12 Pages) Power-One – IMX4 Series Data Sheet 4 Watt DC-DC Converters

IMX4 Series Data Sheet
®
4 Watt DC-DC Converters
V_o1, V_o2 [V]
12.8
05059b
12.4
12
V_o2
V_o1
11.6
11.2
0
I_o1
30
60
90
120 150 % I_{o1 nom}
Fig. 13
Flexible load distribution on dual outputs (2 ×12 V) with
load variation from 0 to 150% of P_{o1 nom} on output 1.
Output 2 loaded with 25% of P_{o2 nom}.
η [%]
90
80
70
05060a
V_{i nom}
V_{i max}
V_{i min}
60
50
40
25
50
75
Fig. 14
Efficiency versus input voltage and load.
Typical values (40IMX4-1212).
100
P_o1
P_{o nom}
[%]
Electromagnetic Compatibility (EMC)
Electromagnetic Immunity
Table 8: Immunity type tests
Phenomenon Standard
Electrostatic
discharge
to case
IEC/EN
61000-4-2
Electromagnetic IEC/EN
field
61000-4-3
Electrical fast IEC/EN
transients/burst 61000-4-4
Surges
RF conducted
immunity
IEC/EN
61000-4-5
IEC/EN
61000-4-6
Class
level
Coupling
mode
Value
applied
Waveform
Source
imped.
Test
procedure
2 contact discharge 4000 V_p
3
air discharge 8000 V_p
1/50 ns
330 Ω
10 positive and
10 negative
discharges
3³
antenna
10 V/m
AM 80%
n.a. 80 – 1000 MHz
1 kHz
3
antenna
10 V/m PM, 50% duty
n.a.
900 MHz
cycle, 200 Hz
repetition frequ.
4
direct +i/–i
±4000 V_p bursts of 5/50 ns 50 Ω
60 s positive
5 kHz repet. rate,
60 s negative
15 ms burst,
coupling mode
300 ms period
2⁴
+i/–i
1000 V_p
1.2/50 µs
2 Ω 5 pos. and 5 neg.
surges
3
+i/–i
3 VAC
AM 80%
50 Ω 0.15 to 80 MHz
(140 dBµV)
1 kHz
150 W
In Per-
oper. form. ²
yes B
yes A
yes A
yes B
yes B
yes A
1 _{i = input, o = output}
2 _{Performance criterion: A = normal operation, no deviation from specifications, B = temporary loss of function or deviation from specs.}
3 _{Corresponds to the railway standard EN 50121-3-2:2000, table 9.1}
4 _{External components required.}
BCD20006-G Rev AC, 06-Jul-2012
Page 8 of 12
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