Boost device for voltage boosting

Details Boost device for voltage boosting Boost device for voltage boosting

2011-08-30

2011-08-30

Han, Jessica (Department: 2838)

Electric power conversion systems

Current conversion

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

C363S059000, C363S056010

Reexamination Certificate

active

08009444

ABSTRACT:
A boost device boosts an input voltage to an output voltage across an output capacitor, and includes an output diode coupled to the output capacitor, and a transformer coupled to a first switch, a clamp circuit and a boost circuit. The clamp circuit is coupled across a first winding of the transformer, and includes a clamp capacitor coupled in series to a second switch. The output capacitor is capable of being charged through the output diode with an induced voltage across a second winding of the transformer. The boost circuit is capable of being charged with the induced voltage across the second winding, and of charging the output capacitor so as to boost the output voltage across the output capacitor.

REFERENCES:
patent: 5331533 (1994-07-01), Smith
patent: 5856916 (1999-01-01), Bonnet
patent: 7161331 (2007-01-01), Wai et al.
patent: 7551459 (2009-06-01), Wittenbreder, Jr.
patent: 7751213 (2010-07-01), Toccaceli
patent: 7864549 (2011-01-01), Wittenbreder, Jr.
patent: 2007/0236966 (2007-10-01), Uruno et al.

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