Datasheet

cui.com
CUI Inc │ SERIES: VHK150W │ DESCRIPTION: DC-DC CONVERTER date 06/18/2015 │ page 6 of 8
EMC RECOMMENDED CIRCUITS
(
CONTINUED
)
Figure 3
Recommended Circuit for EN55022 Class B
EN55022 CLASS B
DC/DC Converter
+Vo
-Vo
+Vin
C1
-Vin
C2
+Vo
-Vo
CASE
+Vin
-Vin
-S
+S
C4
C7
C8
C3
L1
L2
C6
C5
Table 3
Class B Recommended Components
Model C1
1
C2
1
C3
2
C4
2
C5
2
C6
2
C7
2
C8
2
L1 L2
VHK150W-Q24-S5 220 μF/50 V 220 μF/50 V 680 pF NC NC NC NC NC 3 μH 0.5 mH
VHK150W-Q24-S12 220 μF/50 V 220 μF/50 V 680 pF 680 pF NC NC NC NC 3 μH 0.5 mH
VHK150W-Q24-S15 220 μF/50 V 220 μF/50 V 680 pF NC NC NC NC NC 3 μH 0.5 mH
VHK150W-Q24-S24 220 μF/50 V 220 μF/50 V 1000 pF 1000 pF 470 pF 680 pF 470 pF 330 pF 3 μH 0.5 mH
VHK150W-Q24-S28 220 μF/50 V 220 μF/50 V 2200 pF x2 1000 pF 470 pF 2200 pF x2 470 pF 470 pF 3.4 μH 0.6 mH
VHK150W-Q24-S48 220 μF/50 V 220 μF/50 V 2200 pF x4 1000 pF 1000 pF 2200 pF x4 NC NC 3.4 μH 0.6 mH
VHK150W-Q48-S5 120 μF/100 V 120 μF/100 V NC 680 pF NC NC NC NC 3 μH 0.5 mH
VHK150W-Q48-S12 120 μF/100 V 120 μF/100 V NC 680 pF NC NC NC NC 3 μH 0.5 mH
VHK150W-Q48-S15 120 μF/100 V 120 μF/100 V 1000 pF 1000 pF 470 pF 1000 pF 330 pF 680 pF 3 μH 0.5 mH
VHK150W-Q48-S24 120 μF/100 V 120 μF/100 V 1000 pF 1000 pF 470 pF 1000 pF 330 pF 680 pF 3 μH 0.5 mH
VHK150W-Q48-S28 120 μF/100 V 120 μF/100 V 1000 pF 1000 pF 470 pF 1000 pF 470 pF 470 pF 3.4 μH 0.6 mH
VHK150W-Q48-S48 82 μF/100 V 120 μF/100 V
2200 pF
+ 470 pF
1500 pF 1000 pF
2200 pF
+ 470 pF
NC NC SHORT 0.5 mH
Notes: 1. Aluminum capacitor
2. Ceramic capacitor
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