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:
Jul. 10, 2001
Filed:
May. 24, 1999
Applicant:
Inventors:
Sang-Woo Lee, Kyungki-do, KR;
Kyung-Hee Jang, Kyungki-do, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 5/42 ; H02M 7/217 ; G05F 1/10 ;
U.S. Cl.
CPC ...
H02M 5/42 ; H02M 7/217 ; G05F 1/10 ;
Abstract
A power factor correction circuit is disclosed which is comprised of a boost converter that generates an output voltage to a secondary load according to operation of the switch. The circuit also includes a switching controller which multiplies together a secondary side error voltage of the boost converter and a voltage representative of the input current of the boost converter. The switching controller compares the multiplied voltage with a reverse sawtooth wave voltage, and controls the switch of the boost converter according to the comparison results.