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Battery Filter for Switching Regulator Power Supply

IP.com Disclosure Number: IPCOM000056340D
Original Publication Date: 1980-Dec-01
Included in the Prior Art Database: 2005-Feb-14

Publishing Venue

IBM

Related People

Authors:
Kinnard, JR [+details]

Abstract

A battery is used as a filter in the input section of a switching regulator power supply for reduction of the packaging volume that would otherwise be required for a capacitor of sufficient size for adequate filtering, protection against power line disturbances, and system protection against losing data stored in volatile memory.