Transcription of AC Ripple Current Calculations - Vishay Intertechnology
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AC Ripple Current Calculations - Vishay Intertechnology
Technical questions, contact: Number: 4003122 Revision: 03-Apr-06AC Ripple Current CalculationsVishay SpragueApplication Notes AC Ripple Current Calculations Solid Tantalum CapacitorsINTRODUCTIONS olid tantalum capacitors are preferred for filteringapplications in small power supplies and DC/DC convertersin a broad range of military, industrial and commercialsystems including computers, telecommunications,instruments and controls and automotive equipment. Solidtantalum capacitors are preferred for their high reliability,long life, extended shelf life, exceptional stability withtemperature and their small size.
The industry is moving towards smaller and smaller power supplies and DC/DC converters operating at higher frequencies. The three factors shown become more and more important in capacitor selection. 1. Hi gher Switchin g Frequencies: The switching frequency of power supplies has increased from the 10 kHz range a
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