Switching power supply apparatus

Details Switching power supply apparatus Switching power supply apparatus

2008-06-20

2010-06-29

Laxton, Gary L (Department: 2838)

Electric power conversion systems

Current conversion

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

C363S021070, C363S021080, C363S021150

Reexamination Certificate

active

07746672

ABSTRACT:
A switching power supply apparatus which includes a DC power supply, an isolation transformer having primary, secondary and tertiary windings, and a switching element, and in which, by turning the switching element on and off, the high-frequency voltage appearing in the secondary windings of the isolation transformer is rectified to obtain a DC output, power consumption can be decreased during standby (in burst mode) in particular by means of a control circuit which controls the turn-on and turn-off of the element and similar.

REFERENCES:
patent: 6356466 (2002-03-01), Smidt et al.
patent: 6529391 (2003-03-01), Yoshinaga et al.
patent: 6903945 (2005-06-01), Kitano
patent: 7259973 (2007-08-01), Yamashita
patent: 7414865 (2008-08-01), Yang
patent: 2000-270546 (2000-09-01), None
patent: 2002-136125 (2002-05-01), None
patent: 2004-88959 (2004-03-01), None

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