Datasheet

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CUI Inc SERIES: VHK75W DESCRIPTION: DC-DC CONVERTER date 12/16/2013 page 6 of 9
+Vin +Vin
-Vin -Vin
+Vo
-Vo
CASE
DC/DC Converter
C2
C5
C4 C6
C1
+Vo
-Vo
L1 L2
C7
-S
+S
Figure 5
Recommended Circuit for EN55022 Class B
(for VHK75W-Q24-S24)
EMC RECOMMENDED CIRCUITS
(
CONTINUED
)
Figure 4
Recommended Circuit for EN55022 Class B
(for all 3.3, 5, 12, & 15 Vdc output models as well as VHK75W-Q48-S24)
EN55022 CLASS B
L2
C6C1
L1
+Vin
-Vin
+Vo
-Vo
CASE
C2 C3
C4 C5
+Vin
-Vin
+Vo
-Vo
DC/DC Converter
-S
+S
Table 3
Class B Recommended Components
(for all 3.3, 5, 12, 15, & 24 Vdc output models)
Model C1
1
C2
1
C3
1
C4
2
C5
2
C6
2
C7
2
L1 L2
VHK75W-Q24-S3R3
47 μF/50 V 47 μF/50 V 47 μF/50 V 3300 pF/2 kV 3300 pF/2 kV 1000 pF/2 kV NC 1.5 mH 3.4 μH
VHK75W-Q24-S5
47 μF/50 V 47 μF/50 V 47 μF/50 V 2200 pF/2 kV 3300 pF/2 kV 1000 pF/2 kV NC 1.5 mH 3.4 μH
VHK75W-Q24-S12
47 μF/50 V 47 μF/50 V 47 μF/50 V 3300 pF/2 kV 1000 pF/2 kV 1000 pF/2 kV NC 1.5 mH 3.4 μH
VHK75W-Q24-S15
47 μF/50 V 47 μF/50 V 47 μF/50 V 2200 pF/2 kV 3300 pF/2 kV 1000 pF/2 kV NC 1.5 mH 3.4 μH
VHK75W-Q24-S24
100 μF/50 V 100 μF/50 V NC 1000 pF/2 kV 1000 pF/2 kV 1000 pF/2 kV 1000 pF/2 kV 0.12 mH 0.34 mH
VHK75W-Q48-S3R3 47 μF/100 V 47 μF/100 V 47 μF/100 V 3300 pF/2 kV 3300 pF/2 kV 1000 pF/2 kV NC 1.5 mH 3.4 μH
VHK75W-Q48-S5 47 μF/100 V 47 μF/100 V 47 μF/100 V 3300 pF/2 kV 3300 pF/2 kV 1000 pF/2 kV NC 1.5 mH 3.4 μH
VHK75W-Q48-S12 47 μF/100 V 47 μF/100 V 47 μF/100 V 3300 pF/2 kV 3300 pF/2 kV 1000 pF/2 kV NC 1.5 mH 3.4 μH
VHK75W-Q48-S15 47 μF/100 V 47 μF/100 V 47 μF/100 V 3300 pF/2 kV 3300 pF/2 kV 1000 pF/2 kV NC 1.5 mH 3.4 μH
VHK75W-Q48-S24 47 μF/100 V 47 μF/100 V 47 μF/100 V 2200 pF/2 kV 2200 pF/2 kV 1000 pF/2 kV NC 1.5 mH 3.4 μH
Note: 1. Aluminum capacitors.
2. Ceramic capacitors.
For more information, please visit the product page.