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:
Aug. 03, 2010
Filed:
Jul. 27, 2006
Applicants:
Jian-rong Huang, Hsinchu, TW;
Giovanni Capodivacca, Padua, IT;
Giuseppe Bernacchia, Padua, IT;
Kuo-lung Tseng, Lungtan Township, Taoyuan County, TW;
Inventors:
Jian-Rong Huang, Hsinchu, TW;
Giovanni Capodivacca, Padua, IT;
Giuseppe Bernacchia, Padua, IT;
Kuo-Lung Tseng, Lungtan Township, Taoyuan County, TW;
Assignee:
Richtek Technology Corp., Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05F 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An output ripple control circuit and method for a PWM system uses a hysteresis threshold to clamp the output ripple of the PWM system such that the output ripple will not vary with the dc level of the output voltage, and therefore the output ripple control may be combined into any main loop technologies.