Method of forming a buck-boost mode power supply controller...

Details Method of forming a buck-boost mode power supply controller... Method of forming a buck-boost mode power supply controller...

2005-08-17

2010-12-14

Han, Jessica (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C323S225000, C323S259000, C323S284000

Reexamination Certificate

active

07852060

ABSTRACT:
In one embodiment, a power supply controller is configured to operate a plurality of switches in a buck-boost mode to control an output voltage wherein at least one switch of the plurality of switches is enabled for a substantially fixed portion of a cycle of the buck-boost mode.

REFERENCES:
patent: 6037755 (2000-03-01), Mao et al.
patent: 6348779 (2002-02-01), Sluijs
patent: 6400213 (2002-06-01), Shih et al.
patent: 7265524 (2007-09-01), Jordan et al.
patent: 7466112 (2008-12-01), Zhou et al.
patent: 2005/0093526 (2005-05-01), Notman

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