Power factor correction controller

Details Power factor correction controller Power factor correction controller

2007-12-25

2007-12-25

Nguyen, Matthew V. (Department: 2838)

Electric power conversion systems

Current conversion

Having plural converters for single conversion

C363S089000

Reexamination Certificate

active

11407225

ABSTRACT:
A power factor correction controller simultaneously controls several power converters to be operated at a critical conduction mode to improve the overall conversion efficiency and conversion power of the power factor corrector. The controller includes a primary power converter control circuit for feeding back an input voltage signal, an output voltage signal and a primary current signal, and outputting a primary gate control signal for controlling a primary power switch; at least one secondary power converter control circuit for receiving the primary gate control signal and outputting a secondary gate control signal for controlling a secondary power switch; and a phase splitter circuit for receiving the primary gate control signal to control a gate output driving circuit, so that the gate output driving circuit outputs the secondary gate control signal.

REFERENCES:
patent: 5610804 (1997-03-01), Shimizu
patent: 6282109 (2001-08-01), Fraidlin et al.
patent: 6834002 (2004-12-01), Yang
patent: 7248485 (2007-07-01), Hermann et al.
patent: 2006/0158912 (2006-07-01), Wu et al.

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