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. 15, 2015
Filed:
Sep. 23, 2013
Sanken Electric Co., Ltd., Niiza-shi, Saitama, JP;
Akiteru Chiba, Niiza, JP;
Keita Ishikura, Niiza, JP;
SANKEN ELECTRIC CO., LTD., Niza-Shi, Saitama, JP;
Abstract
Provided is a synchronous rectifier circuit which, even if a synchronous rectification element having a low on-resistance is used, can perform a synchronous rectifying operation without being influenced by the inductance component. It is a synchronous rectifier circuit having a synchronous rectification element Qand a synchronous rectification control circuit ICfor turning on/off the synchronous rectification element Qin accordance with the current iflowing through the synchronous rectification element Q, including a current detection circuit for detecting the current iflowing through the synchronous rectification element Qduring an on-period of the synchronous rectification element Qas a synchronized voltage waveform, the synchronous rectification control circuit ICbeing configured so as to turn off the synchronous rectification element Qon the basis of the voltage waveform detected by the current detection circuit