®
IMX35 Series Data Sheet
35 Watt Quad-Output DC-DC Converters
effective protection against high input transient voltages which
typically occur in many installations, but especially in battery-
driven mobile applications.
Electromagnetic Compatibility (EMC)
A suppressor diode together with an input filter form an
Electromagnetic Immunity
Table 11: Immunity type tests
Phenomenon
Electrostatic
discharge
to case
Electromagnetic
field
Standard
IEC/EN
61000-4-2
Class
Level
2
3
IEC/EN
61000-4-3
ENV 50204
3
3
3
Coupling
mode
1
contact discharge
(Trim pin open)
air discharge
(Trim pin open)
antenna
antenna
Value
applied
4000 V
p
8000 V
p
10 V/m
10 V/m
AM 80%
1 kHz
PM, 50% duty
cycle, 200 Hz
repetition frequ.
bursts of 5/50 ns
2.5/5 kHz
over 15 ms,
burst period
300 ms
1.2/50 µs
5/50 µs
0.05/ 0.1 µs
AM modulated
80%, 1 k Hz
n.a.
n.a.
Waveform
1/50 ns
Source
imped.
330
Ω
Test
procedure
10 positive and
10 negative
discharges
80 to 1000 MHz
900 MHz
In
oper.
yes
Perf-
crit.
2
B
yes
yes
A
A
Electrical fast
transients/burst
IEC/EN
61000-4-4
4
direct +i/–i
±4000 V
p
50
Ω
60 s positive,
60 s negative
transients per
coupling mode
5 pos. and 5 neg.
surges
yes
B
Surges
IEC/EN
61000-4-5
EN 50155:
2001
3
4
A
5
B
6
3
+i/ – i
+i/ c, – i/c
+i/ c, – i/c
+i/ – i
±2000 V
p
±1800 V
p
8400 V
p
10 VAC
(140 dBµV)
2
Ω
100
Ω
100
Ω
50
Ω
yes
yes
yes
B
B
B
A
RF Conducted
immunity
1
2
3
4
5
6
IEC/EN
61000-4-6
0.15 to 80 MHz
150
Ω
yes
i = input, o = output, c = case (not with option Z)
A = normal operation, no deviation from specification, B = temporary deviation from specs. possible.
Corresponds to EN 50121-3-2:2000, table 9.1
External components required; see fig. 4
Corresponds to EN 50155:1995, waveform D
Corresponds to EN 50155:1995, waveform G
Electromagnetic Emissions
dBµV
80
PMM 8000 PLUS: Peak, conducted Vi+, QP + AV, 2006-10-01, 2x 1.1 mH,
110IMX35D05D12, Ui=110 V, Uo1=Uo4=5 V, Io1=Uo4=1.4 A, Uo2=Uo3=12 V Io2=Uo3=0.6 A
JM072
EN 55022 A QP
60
EN 55022 A AV
40
20
0
0.2
0.5
1
2
5
10
20 MHz
Fig. 14
Typ. disturbances (quasi-peak and average) at the input
according to EN 55011/ 22, measured at V
i nom
and I
o nom
(110IMX35D05D12-8 with input choke 2
×
1.1 mH).
BCD20009-G Rev AC, 06-May-2013
Page 11 of 15
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