Datasheet

MEV3 Series
3kVDC Isolated 3W Single Output DC/DC Converters
KDC_MEV3.C01 Page 4 of 7
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EMC FILTERING AND SPECTRA
FILTERING
A input capacitor and inductor is required to meet EN 55022 Curve B, Quasi-Peak EMC limit, as shown in the following plots.
MEV3S0505SC MEV3S0509SC
MEV3S0512SC MEV3S0515SC
MEV3S1205SC MEV3S1209SC
DC
DC
L
C
Load
Power
Source
C 2.2µF ceramic capacitor
L 10µH inductor (TH - 11R103C or SMT - 82103C)
0
10
20
30
40
50
60
70
80
1.00E+05 1.00E+06 1.00E+07 1.00E+08
dBuV
Frequency (Hz)
0
10
20
30
40
50
60
70
80
1.00E+05 1.00E+06 1.00E+07 1.00E+08
dBuV
Frequency (Hz)
0
10
20
30
40
50
60
70
80
1.00E+05 1.00E+06 1.00E+07 1.00E+08
dBuV
Frequency (Hz)
0
10
20
30
40
50
60
70
80
1.00E+05 1.00E+06 1.00E+07 1.00E+08
dBuV
Frequency (Hz)
0
10
20
30
40
50
60
70
80
1.00E+05 1.00E+06 1.00E+07 1.00E+08
dBuV
Frequency (Hz)
0
10
20
30
40
50
60
70
80
1.00E+05 1.00E+06 1.00E+07 1.00E+08
dBuV
Frequency (Hz)