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.

Date of Patent:
Mar. 13, 2018

Filed:

Jun. 13, 2016
Applicant:

Leadtrend Technology Corp., Hsinchu County, TW;

Inventors:

Chung-Wei Lin, Hsinchu County, TW;

Yang-Sheng Lin, Hsinchu County, TW;

Assignee:

Leadtrend Technology Corp., Hsinchu County, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01); H02M 1/36 (2007.01); H02M 1/08 (2006.01); H02M 1/38 (2007.01); H02M 7/217 (2006.01);
U.S. Cl.
CPC ...
H02M 1/36 (2013.01); H02M 1/08 (2013.01); H02M 3/33576 (2013.01); H02M 1/38 (2013.01); H02M 7/217 (2013.01);
Abstract

A synchronous rectifier applied to a power converter includes a gate coupling effect suppressing unit. The gate coupling effect suppressing unit is used for suppressing an induced voltage coupled to a gate of a metal-oxide-semiconductor transistor coupled to a secondary side of the power converter to ensure that the metal-oxide-semiconductor transistor is turned off when the power converter operates in a start-up condition and a power switch of the power converter is turned on. When the power converter operates in the start-up condition, a driving voltage of the secondary side of the power converter for driving the synchronous rectifier is not enough to drive the synchronous rectifier yet.


Find Patent Forward Citations

Loading…