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:
Nov. 12, 2013
Filed:
May. 18, 2011
Applicants:
Naixing Kuang, Hangzhou, CN;
Lei Du, Hangzhou, CN;
Junming Zhang, Hangzhou, CN;
Yuancheng Ren, Hangzhou, CN;
Inventors:
Naixing Kuang, Hangzhou, CN;
Lei Du, Hangzhou, CN;
Junming Zhang, Hangzhou, CN;
Yuancheng Ren, Hangzhou, CN;
Assignee:
Monolithic Power Systems, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Triac dimmer compatible switching mode power supplies used as LED drivers are disclosed herein. A PFC controller is configured in the switching mode power supplies. With the PFC controller, the current keeping the triac in the on-state is supplied by the DC/DC converter, and the LC resonance is reduced.