Datasheet

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CUI Inc │ SERIES: VHK100W │ DESCRIPTION: DC-DC CONVERTER date 12/16/2013 │ page 6 of 8
EMC RECOMMENDED CIRCUITS
(
CONTINUED
)
Figure 4
Recommended Circuit for EN55022 Class B
(for all 48 Vdc output models)
EN55022 CLASS B
DC/DC Converter
+Vo
-Vo
+Vin
C1
-Vin
C2
+Vo
-Vo
CASE
+Vin
-Vin
-S
+S
L1
C3
Table 3
Class B Recommended Components
Note: 1. Aluminum capacitors
2. Ceramic capacitors
Model C1
1
C2
1
C3
2
L1
VHK100W-Q24-S3R3 220 μF/50 V 220 μF/50 V NC 3.4 μH
VHK100W-Q24-S5 220 μF/50 V 220 μF/50 V NC 3.4 μH
VHK100W-Q24-S12 220 μF/50 V 220 μF/50 V NC 3.4 μH
VHK100W-Q24-S15 220 μF/50 V 220 μF/50 V NC 3.4 μH
VHK100W-Q24-S24 220 μF/50 V 220 μF/50 V NC 3.4 μH
VHK100W-Q24-S28 220 μF/50 V 220 μF/50 V NC 3.4 μH
VHK100W-Q24-S48 100 μF/50 V 100 μF/50 V 2200 pF/2 KV 0.53 mH
VHK100W-Q48-S3R3 47 μF/100 V 47 μF/100 V NC 3.4 μH
VHK100W-Q48-S5 47 μF/100 V 47 μF/100 V NC 3.4 μH
VHK100W-Q48-S12 47 μF/100 V 47 μF/100 V NC 3.4 μH
VHK100W-Q48-S15 47 μF/100 V 47 μF/100 V NC 3.4 μH
VHK100W-Q48-S24 47 μF/100 V 47 μF/100 V NC 3.4 μH
VHK100W-Q48-S28 47 μF/100 V 47 μF/100 V NC 3.4 μH
VHK100W-Q48-S48 47 μF/100 V 47 μF/100 V 2200 pF/2 KV 0.53 mH
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