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:
Sep. 03, 2013
Filed:
Apr. 23, 2010
Applicants:
Ko-cheng Wang, Nantou County, TW;
Kuo-ping Liu, Hsinchu County, TW;
Chih-wei Tseng, Taipei, TW;
Inventors:
Assignee:
Richtek Technology Corp., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/575 (2006.01);
U.S. Cl.
CPC ...
Abstract
A PWM controller and control method for a DC-DC voltage converter filter the high-frequency component of the voltage at the phase node between high-side and low-side elements of the voltage converter to generate a signal synchronous and in phase or out-of-phase with the inductor current of the voltage converter, to achieve a low-ripple output voltage and stable loop control.