Wide supply range flyback converter

Details Wide supply range flyback converter Wide supply range flyback converter

2008-05-26

2011-10-11

Berhane, Adolf (Department: 2838)

Electric power conversion systems

Current conversion

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

Reexamination Certificate

active

08036002

ABSTRACT:
A wide supply range flyback converter consists of a Schmitt trigger driving a switching device such as MOSFET. The circuit employs a feed forward voltage controlled current source and two other voltage controlled current sources, one of which is responsible for minimizing on time and the other for increasing off time in order to achieve high efficiency, low standby power, and improved overload conditions.

REFERENCES:
patent: 4847742 (1989-07-01), Ohashi et al.
patent: 6026005 (2000-02-01), Abdoulin
patent: 6940733 (2005-09-01), Schie et al.
patent: 6972969 (2005-12-01), Shteynberg et al.
patent: 7310251 (2007-12-01), Yang et al.
patent: 7710745 (2010-05-01), Weinstein et al.

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