Datasheet

NXE1 Series
Isolated 1W Single Output SM DC/DC Converters
KDC_NXE1.E01 Page 6 of 8
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EMC FILTERING AND SPECTRA
FILTERING
The following table shows the additional input capacitor and input inductor typically required to meet EN 55022 Curve B Quasi-Peak EMC limit, as shown in the follow-
ing plots. The following plots show positive and negative quasi peak and CISPR22 Average Limit B (purple line) and Quasi Peak Limit B (pink line) adherence limits.
Part Number
Capacitor Inductor
NXE1S0303MC 4.7µF 15µH
NXE1S0305MC 4.7µF 15µH
NXE1S0505MC
3.3µF 15µH
NXE1S0303MC
NXE1S0305MC
NXE1S0505MC
0
10
20
30
40
50
60
70
80
90
100
1.00E+05 1.00E+06 1.00E+07 1.00E+08
dBuV
Frequency (Hz)
0
10
20
30
40
50
60
70
80
90
100
1.00E+05 1.00E+06 1.00E+07 1.00E+08
dBuV
Frequency (Hz)
0
10
20
30
40
50
60
70
80
90
100
1.00E+05 1.00E+06 1.00E+07 1.00E+08
dBuV
Frequency (Hz)