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:
Apr. 07, 2015
Filed:
Jul. 15, 2011
Applicants:
Min-woo Lee, Bucheon, KR;
Kyung-oun Jang, Bucheon, KR;
Dae-woong Cho, Seoul, KR;
Inventors:
Assignee:
Fairchild Korea Semiconductor Ltd., Bucheon, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H 7/125 (2006.01); H02M 3/335 (2006.01); H02M 1/36 (2007.01); H02M 1/32 (2007.01);
U.S. Cl.
CPC ...
H02M 3/33507 (2013.01); H02M 1/36 (2013.01); H02M 2001/327 (2013.01);
Abstract
The present invention relates to a thermal shutdown unit, a switch controller including the same, and a method controlling a thermal shutdown protection operation. The present invention determines the operation state of an SMPS to vary a reference temperature for controlling a thermal shutdown protection operation according to an operation state of the SMPS.