CPD Series Data Sheet
200 – 250 Watt CompactPCI
®
DC-DC Converters
®
Electromagnetic Compatibility (EMC)
A metal oxide VDR together with an input fuse and filter
form an effective protection against high input transient
Electromagnetic Immunity
Table 8: Immunity type tests
Phenomenon
Electrostatic
discharge
(to case)
Standard
IEC/EN
61000-4-2
Level
4
Coupling
mode
1
contact discharge
air discharge
3
antenna
Value
applied
8000 V
p
voltages which typically occur in most installations. The
CPD Series has been successfully tested to the following
specifications:
Waveform
1/50 ns
Source
imped.
330
Ω
Test
procedure
10 positive and
10 negative
discharges
80 – 1000 MHz
900 ±5 MHz
In
Per-
oper. form.
2
yes
A
15000 V
p
10 V/m
10 V/m
AM 80%
1 kHz
50% duty cycle
200 Hz repeti-
tion frequency
bursts of 5/50 ns
2.5/5 kHz over
15 ms; burst
period: 300 ms
1.2/50 µs
50
Ω
n.a.
Electromagnetic IEC/EN
field
61000-4-3
yes
A
Electrical fast
transients/burst
IEC/EN
61000-4-4
3
capacitive, o/c
direct, i/c, +i/– i
1000 V
p
2000 V
p
60 s positive
60 s negative
transients per
coupling mode
5 pos. and 5 neg.
surges per
coupling mode
0.15 – 80 MHz
yes
A
Surges
IEC/EN
61000-4-5
IEC/EN
61000-4-6
3
i/c
+i/– i
2000 V
p
1000 V
p
10 VAC
(140 dBmV)
12
Ω
2
Ω
yes
B
Conducted
disturbances
1
2
3
i, o, signal wires
AM 80%
1 kHz
150
Ω
yes
A
i = input, o = output, c = case connedted to PE
A = normal operation, no deviation from specifications, B = temporary deviation from specs possible.
Electromagnetic Emission
Radiated and conducted emissions meet class A according
to EN 55011/55022.
[dBmV/m]
50
EN 55022 A
EN 55022 B
07122a
40
EN 55022 A
EN 55022 B
CPD250_cond_qp
30
20
10
[MHz]
250
100
150
200
230
300
30
50
Fig. 11
Typical disturbance voltage (quasi peak) at the input
according to EN 55022, measured at V
i nom
and I
o nom
(CPD250-4530).
Fig. 12
Typical radiated electromagnetic field strength (quasi
peak) according to EN 55011/55022, normalised to a
distance of 10 m, measured at V
i nom
and I
o nom
.
NOV 28, 2006 revised to JAN 29, 2007
Page 9 of 13
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