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:
May. 24, 2016

Filed:

Mar. 09, 2014
Applicant:

Green Solution Technology Co., Ltd., New Taipei, TW;

Inventors:

Li-Min Lee, New Taipei, TW;

Chao Shao, Wuxi, CN;

Quan Gan, Wuxi, CN;

Yuan Cai, Wuxi, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03L 5/00 (2006.01); H03K 19/00 (2006.01); H03K 19/0185 (2006.01); H02M 3/158 (2006.01);
U.S. Cl.
CPC ...
H03K 19/0013 (2013.01); H02M 3/1588 (2013.01); H03K 19/018507 (2013.01); Y02B 70/1466 (2013.01);
Abstract

A level shift circuit and a DC-DC buck converter controller for using the same are disclosed. The level shift circuit is capable of detecting a state of a converting circuit, and avoids a current leakage when determining that the converting circuit is operating under a light-load. Therefore, the level shift circuit and the DC-DC converting controller provided by the present invention can reduce power consumption under the light-load and have power-saving advantage.


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