Switched-mode power supply supporting burst-mode operation

Details Switched-mode power supply supporting burst-mode operation Switched-mode power supply supporting burst-mode operation

2006-05-30

2006-05-30

Patel, Rajnikant B. (Department: 2838)

Electric power conversion systems

Current conversion

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

C363S021180

Reexamination Certificate

active

07054169

ABSTRACT:
A switched-mode power supply (SMPS) that operates in a burst mode when an electronic device that receives power from the SMPS demands a low level of power as when in a stand-by mode or cut-off mode. The SMPS contains a first power supply unit for receiving a power and rectifying it, and, according to a level of an output for the load, distinguishing between a normal mode and a burst mode to perform switching according to a timing corresponding to the normal mode and the burst mode to supply a first power. The SMPS also contains an output power supply unit for receiving the first power from the first power supply unit according to a winding ratio of a coil to generate a power for driving the load.

REFERENCES:
patent: 5689407 (1997-11-01), Marinus et al.
patent: 5852550 (1998-12-01), Majid et al.
patent: 6208538 (2001-03-01), Halamik et al.
patent: 6252783 (2001-06-01), Huh et al.
patent: 6292376 (2001-09-01), Kato
patent: 6333862 (2001-12-01), Lee et al.
patent: 6352783 (2002-03-01), Fagerburg

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