Controller for a power switch and method of operation thereof

Details Controller for a power switch and method of operation thereof Controller for a power switch and method of operation thereof

1998-10-06

2000-03-14

Nguyen, Matthew

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

H02M 3335

Patent

active

060381450

ABSTRACT:
A controller for a power switch having an isolated control terminal and coupled to a secondary winding of a drive transformer and a method of preventing spurious turn-on of the power switch. The controller includes: (1) a controllable switch, coupled between the secondary winding and the power switch, that alters a control voltage of the power switch in response to a characteristic of the secondary winding, and (2) a bias circuit coupled to the controllable switch and the power switch that provides a voltage differential between the controllable switch and the power switch to prevent spurious turn-on thereof.

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patent: 5734563 (1998-03-01), Shinada

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