Datasheet

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CUI Inc │ SERIES: VHK150W │ DESCRIPTION: DC-DC CONVERTER date 06/18/2015 │ page 5 of 8
DC/DC Converter
+Vo
-Vo
+Vin
C1
-Vin
C2
+Vo
-Vo
CASE
+Vin
-Vin
-S
+S
C4
C3
L1
L2
C6
C5
Figure 2
Recommended Circuit for EN55022 Class A
EMC RECOMMENDED CIRCUITS
Table 2
Class A Recommended Components
Model C1
1
C2
1
C3
2
C4
2
C5
2
C6
2
L1 L2
VHK150W-Q24-S5 100 μF/50 V 100 μF/50 V NC NC NC NC SHORT 0.5 mH
VHK150W-Q24-S12 100 μF/50 V 100 μF/50 V NC NC NC NC SHORT 0.5 mH
VHK150W-Q24-S15 100 μF/50 V 100 μF/50 V NC NC NC NC SHORT 0.5 mH
VHK150W-Q24-S24 100 μF/50 V 100 μF/50 V 680 pF 680 pF 470 pF 680 pF SHORT 0.5 mH
VHK150W-Q24-S28 100 μF/50 V 100 μF/50 V 2200 pF NC 680 pF 2200 pF SHORT 0.6 mH
VHK150W-Q24-S48 100 μF/50 V 100 μF/50 V 1000 pF NC 470 pF 1000 pF SHORT 0.6 mH
VHK150W-Q48-S5 47 μF/100 V 47 μF/100 V NC NC NC NC SHORT 0.5 mH
VHK150W-Q48-S12 47 μF/100 V 47 μF/100 V NC 680 pF NC NC SHORT 0.5 mH
VHK150W-Q48-S15 47 μF/100 V 47 μF/100 V 680 pF 1000 pF NC NC SHORT 0.5 mH
VHK150W-Q48-S24 47 μF/100 V 47 μF/100 V 680 pF 680 pF 470 pF 680 pF SHORT 0.5 mH
VHK150W-Q48-S28 47 μF/100 V 47 μF/100 V 2200 pF NC 680 pF 2200 pF SHORT 0.6 mH
VHK150W-Q48-S48 47 μF/100 V 47 μF/100 V 2200 pF 1500 pF 1500 pF 2200 pF SHORT 0.5 mH
EN55022 CLASS A
Notes: 1. Aluminum capacitor
2. Ceramic capacitor
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