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:
Sep. 15, 2015

Filed:

May. 04, 2012
Applicant:

Hsien-hung Wu, Hsinchu, TW;

Inventor:

Hsien-Hung Wu, Hsinchu, TW;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05F 3/24 (2006.01); G05F 1/575 (2006.01); G05F 1/56 (2006.01); G05F 1/565 (2006.01);
U.S. Cl.
CPC ...
G05F 1/565 (2013.01);
Abstract

A voltage regulator, alternatively operating in an active mode in response to an enabled mode indication signal, and operating in a standby mode in response to the disabled mode indication signal, is provided. The voltage regulator comprises a regulation unit and a feedback circuit. The regulation unit drives an output node with an output signal. The feedback circuit comprises a first resistance unit, connected between the output node and the feedback node, and a second resistance unit. The second resistance unit is connected between the feedback node and a ground reference voltage, and the resistance thereof is scaled down when a mode indication signal is enabled, so as to achieve a level dip event on a feedback signal, and accordingly driving the regulation unit enhancing its drivability of the output signal.


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