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:
Mar. 01, 2011
Filed:
May. 17, 2007
Applicants:
Chun-hsi Lin, Yi-Lan Shien, TW;
Footshen Wong, Singapore, SG;
Chien Kung, Taipei, TW;
Chen-hsiang Yu, Taipei, TW;
Inventors:
Chun-Hsi Lin, Yi-Lan Shien, TW;
Footshen Wong, Singapore, SG;
Chien Kung, Taipei, TW;
Chen-Hsiang Yu, Taipei, TW;
Assignee:
02Micro International Limited, Grand Cayman, KY;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A power supply topology with pulse width modulation frequency control allows the use of an inductor with higher inductance in a converter. By controlling the switching frequency of the pulse width modulation signal, the inductor can achieve high efficiency during a light load condition and is also suitable for a heavy load condition.