Buck-boost switching regulator and control method thereof

Details Buck-boost switching regulator and control method thereof Buck-boost switching regulator and control method thereof

2011-01-04

2011-01-04

Berhane, Adolf (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

C323S282000

Reexamination Certificate

active

07863872

ABSTRACT:
The present invention discloses a buck-boost switching regulator, comprising: (1) a first loop including: a first and a second switch electrically connected with each other, the first switch having an end electrically connected with an input voltage, and the second switch having an end electrically connected with ground; and a first control circuit controlling the operation of the first and the second switch; (2) a second loop including: a third and a fourth switch electrically connected with each other, the third switch having an end electrically connected with ground, and the fourth switch having an end electrically connected with an output voltage; and a second control circuit controlling the operation of the third and the fourth switch; and (3) an inductor electrically connected between a node between the first and the second switch, and a node between the third and the fourth switch.

REFERENCES:
patent: 6166527 (2000-12-01), Dwelley et al.
patent: 7336056 (2008-02-01), Dening et al.
patent: 7570033 (2009-08-01), Ju

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