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:
Dec. 13, 2016
Filed:
Sep. 22, 2011
Applicants:
Sang Cheol Moon, Bucheon, KR;
Young-bae Park, Anyang, KR;
Inventors:
Sang Cheol Moon, Bucheon, KR;
Young-Bae Park, Anyang, KR;
Assignee:
Fairchild Korea Semiconductor Ltd., Bucheon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01); H02M 1/42 (2007.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 1/4258 (2013.01); H02M 3/335 (2013.01); H02M 2001/0035 (2013.01); Y02B 70/126 (2013.01); Y02B 70/16 (2013.01);
Abstract
A power supply includes a rectifier for rectifying an AC line voltage to generate a link voltage, a link capacitor for charging the link voltage, a control switch for controlling charge of the link capacitor, a converter for converting the link voltage to a DC voltage, and a switch controller. When the converter operates in a standby operation mode, the switch controller controls on-off of the control switch through a pulse signal having an on-time determined based on a peak value of a detected AC line voltage.