Synchronous rectifier control device and a forward...

Details Synchronous rectifier control device and a forward... Synchronous rectifier control device and a forward...

2011-05-31

2011-05-31

Riley, Shawn (Department: 2838)

Electric power conversion systems

Current conversion

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

C363S127000, C363S089000

Reexamination Certificate

active

07952894

ABSTRACT:
A synchronous rectifier control device comprises a status detecting unit, an analog circuit, a first counter, a second counter and a signal process unit. The status detecting unit receives at least one reference signal and a detecting signal to generate a first synchronous control signal. The analog circuit generates a delay signal in accordance with the first synchronous control signal. The first counter receives a clock signal and generates a first counter signal in accordance with the first synchronous control signal, the clock signal, and the delay signal. The second counter receives the clock signal and generates a second counter signal in accordance with the first synchronous control signal, the clock signal, and the first counter signal. The signal process unit generates a second synchronous control signal in accordance with the first synchronous control signal and the second signal.

REFERENCES:
patent: 6418039 (2002-07-01), Lentini et al.
patent: 7773398 (2010-08-01), Kyono

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