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Current Limitation and Over Current Protection in Direct Mode DC/DC Converters

IP.com Disclosure Number: IPCOM000051109D
Original Publication Date: 1982-Aug-01
Included in the Prior Art Database: 2005-Feb-10

Publishing Venue

IBM

Related People

Authors:
Azzis, D Baret, JL Launay, M [+details]

Abstract

In direct-mode, DC-DC converters, the output current is reflected in the switching transistors which thus may pass a current as high as required by the load without any control; this may damage the switching transistors. This article describes a direct-mode DC-DC converter which includes a current limiter and a fast over-current protection mechanism which turns off the supply when destruction is endangered.