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VHB75W-Q48-S24 Datasheet(PDF) 9 Page - CUI INC |
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VHB75W-Q48-S24 Datasheet(HTML) 9 Page - CUI INC |
9 / 10 page page date DESCRIPTION: half-brick dc-dc converter 9 of 10 04/2011 20050 SW 112th Ave. Tualatin, Oregon 97062 phone phone 503.612.2300 fax www.v-infinity.com fax 503.612.2383 PART NUMBER: VHB75W 15. INPUT FILTERING AND EMI INTERFERENCE The VHB75W 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 for a reference circuit. V-Infinity offers a line of dc input filter modules designed to help reduce common and differential mode noise. The table below provides a list of dc-dc converter models within the series and the mating dc input filter. 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 C4 CASE +Vo -Vo +Vin -Vin L2 C3 C2 EMI to meet class A VHB75W Series C2 C3 C4 L2 47µF/50V ESR<0.60 47µF/50V ESR<0.60 2200pF/2KV 2.5µH EMI to meet class B 220µF/50V ESR<0.120 220µF/50V ESR<0.120 2200pF/2KV 1.5µH FIGURE 10. EMI FILTER FOR VHB75W Series Mating Filter Module Notes VHB75W-Q24-SXX VFM-10A VHB75W-Q48-SXX VFM-10A |
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