The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 04, 2011
Filed:
Aug. 20, 2008
Wei-che Chiu, Hsinchu, TW;
Wei-Che Chiu, Hsinchu, TW;
Richtek Technology Corporation, Hsin Chu, TW;
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.