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:
Jun. 30, 2020

Filed:

Jun. 09, 2019
Applicant:

Leadtrend Technology Corp., Hsinchu, TW;

Inventors:

Ming-Chang Tsou, Hsinchu, TW;

Chih-Pu Yeh, Hsinchu, TW;

Ru-Hung Lu, Hsinchu, TW;

Assignee:

Leadtrend Technology Corp., Hsinchu County, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/32 (2007.01); H02M 3/335 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 1/32 (2013.01); H02M 3/33576 (2013.01); H02M 2001/0009 (2013.01); H02M 2001/322 (2013.01);
Abstract

A controller for extending a protection period of a power converter includes a delay circuit. The delay circuit is coupled to a supply voltage pin of the controller. When the power converter enters a protection mode, the delay circuit is enabled, receives a supply voltage through the supply voltage pin, and extends a protection period corresponding to the protection mode according to the supply voltage.


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