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VHK100W-Q48-S24 Datasheet(PDF) 9 Page - CUI INC |
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VHK100W-Q48-S24 Datasheet(HTML) 9 Page - CUI INC |
9 / 10 page page date DESCRIPTION: chassis mount dc-dc converter 9 of 10 08/2009 20050 SW 112th Ave. Tualatin, Oregon 97062 phone phone 503.612.2300 fax www.v-infinity.com fax 503.612.2383 PART NUMBER: VHK100W 17. INPUT FILTERING AND EMI INTERFERENCE The VHK100W converters have input capacitors that control input current ripple and the associated EMI interference. However, it has not been tested to a formal standard for conducted emissions. Additional filtering may be needed to ensure compliance to an EMI standard. Refer to FIGURE 10.1 and 10.2 for reference circuits. note: The recommended components are a starting point but not guaranteed for meeting these EMI requirements. More or less filtering may be required for a specific application or to meet other EMI standards, e.g.MIL-STD-461 3.4 µH 3.4 µH CASE +Vo -Vo +Vin C1 -Vin C2 L1 All 24 V input models 47 µF/50 V 47 µF/50 V All other 48 V input models 47 µF/100 V 47 µF/100 V 3.4 µH 3.4 µH VHK100W-Q48-S15 VHK100W-Q48-S3R3 EN55022 class A C1 C2 L1 47 µF/100 V 47 µF/100 V NC NC FIGURE 10.1. EMI FILTER FOR EN55022 CLASS A C3 CASE +Vo -Vo +Vin C1 -Vin C2 L1 3.4 µH 3.4 µH All other 24 V input models 220 µF/50 V NC NC 4700 pF/2 KV 4700 pF/2 KV C3 220 µF/50 V All other 48 V input models 47 µF/100 V 47 µF/100 V 3.4 µH 3.4 µH VHK100W-Q48-S48 VHK100W-Q24-S48 EN55022 class B C1 C2 L1 47 µF/100 V 47 µF/100 V 220 µF/50 V 220 µF/50 V FIGURE 10.2. EMI FILTER FOR EN55022 CLASS B |
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