Isolated DC-DC converter

Details Isolated DC-DC converter Isolated DC-DC converter

2009-07-27

2010-06-01

Han, Jessica (Department: 2838)

Electric power conversion systems

Current conversion

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

C363S021180, C363S021180, C363S097000

Reexamination Certificate

active

07729136

ABSTRACT:
In an isolated DC-DC converter, an on-period control circuit generates an off-timing signal when the output voltage of an isolated DC-DC converter exceeds a reference voltage. A signal reception/power switch driving circuit causes a first switching device to be turned on based on a pulse signal for switching that is output from a PWM control circuit, and causes the first switching device to be turned off based on an off-timing signal transmitted by an off-timing signal transmission unit. A bootstrap circuit boosts a control voltage of the first switching device with the pulse signal for switching that is output from the PWM control circuit.

REFERENCES:
patent: 6574081 (2003-06-01), Matsumoto et al.
patent: 7480158 (2009-01-01), Moromizato et al.
patent: 7596009 (2009-09-01), Matsumoto
patent: 2005/0128773 (2005-06-01), Yang et al.
patent: 2007/0007937 (2007-01-01), Park et al.
patent: 2007/0153554 (2007-07-01), Matsumoto
patent: 7-213052 (1995-08-01), None
patent: 9-65652 (1997-03-01), None
Official Communication issued in International Patent Application No. PCT/JP2008/062822, mailed on Oct. 14, 2008.

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