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. 10, 2019
Filed:
Nov. 08, 2018
Applicant:
Silergy Semiconductor Technology (Hangzhou) Ltd, Hangzhou, ZheJiang Province, CN;
Assignee:
Silergy Semiconductor Technology (Hangzhou) LTD, Hangzhou, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/157 (2006.01); H02M 3/158 (2006.01); H02M 1/08 (2006.01); H02M 3/156 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 3/1582 (2013.01); H02M 1/08 (2013.01); H02M 3/156 (2013.01); H02M 2001/0003 (2013.01); H02M 2003/1566 (2013.01);
Abstract
A frequency control circuit, applied in a switching converter, can be configured to: regulate an off time of a power transistor of the switching converter in one switching cycle according to an on time of the power transistor, or regulate the on time of the power transistor in one switching cycle according to the off time of the power transistor; and maintain an operating frequency of the switching converter to be within a predetermined range.