Synchronizing/driving circuit for a forward synchronous rectifie

Details Synchronizing/driving circuit for a forward synchronous rectifie Synchronizing/driving circuit for a forward synchronous rectifie

1997-04-17

1998-10-06

Wong, Peter S.

Electric power conversion systems

Current conversion

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

363 16, 363 86, 363 89, H02M 3335, H02M 542

Patent

active

058187049

ABSTRACT:
An isolated forward switching power converter includes a primary side circuit and a secondary side circuit having an output inductor, a first MOS gated transistor coupled in series with the output inductor, a second MOS gated transistor coupled in shunt relationship with the output inductor, and a synchronous rectifier control circuit which senses the voltage across the output inductor and alternately biases the first and second transistors on and off in response thereto.

REFERENCES:
patent: 4809150 (1989-02-01), Limuti et al.
patent: 4870555 (1989-09-01), White
patent: 4903189 (1990-02-01), Ngo et al.
patent: 5430640 (1995-07-01), Lee
patent: 5457624 (1995-10-01), Hastings
patent: 5568044 (1996-10-01), Bittner

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