Datasheet
MGJ6 Series
5.2kVDC Isolated 6W Gate Drive SM DC/DC Converters
KDC_MGJ6C.E01 Page 8 of 10
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EMC FILTERING AND SPECTRA
FILTERING
TO MEET CURVE B
Part Number C1 L1 L2 C2 C3 R1
C4
MGJ6T05150505MC 3.3µF 47100SC 10nF 10nF 500m
Ω 470µF
MGJ6T12150505MC 3.3µF 47100SC 10nF 10nF 500m
Ω 470µF
MGJ6T24150505MC 3.3µF 47100SC 10nF
10nF 500m
Ω 470µF
MGJ6T05150505MC MGJ6T12150505MC
MGJ6T24150505MC
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
Fre
q
uenc
y
(
Hz
)
The following filter circuit and filter table shows the input filters typically required to meet EN55022 Quasi-PeakCurve A or B.
C1, C2 & C3 Polyester or ceramic capacitor
C4 Electrolytic capacitor (note R1 could be omitted if C4 has ESR >= R1)