Integrated synchronous rectifier for power supplies

Details Integrated synchronous rectifier for power supplies Integrated synchronous rectifier for power supplies

1998-12-31

2000-02-01

Berhane, Adolf Deneke

Electric power conversion systems

Current conversion

Using semiconductor-type converter

363 89, H02M 7217

Patent

active

060210591

ABSTRACT:
A timing circuit generates timing signals for a synchronous rectifier directly from the transformer power output winding. A phase detector detects the phase of the voltage on the output winding. A switched current source generates a digital timing signal responsive to the phase detector. The output from the current source is applied to the gate of the rectifier to control the on/off condition of the rectifier.

REFERENCES:
patent: 4409543 (1983-10-01), Sugihara
patent: 4663699 (1987-05-01), Wilkinson
patent: 5097403 (1992-03-01), Smith
patent: 5126651 (1992-06-01), Gauen
patent: 5396412 (1995-03-01), Barlage
patent: 5552695 (1996-09-01), Schwartz
patent: 5590032 (1996-12-01), Bowman et al.
patent: 5742491 (1998-04-01), Bowman et al.
patent: 5920475 (1999-07-01), Boylan et al.

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