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:
Jan. 28, 2020

Filed:

Oct. 25, 2018
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:

Zhengzheng Wu, Santa Clara, CA (US);

Chao Song, San Diego, CA (US);

Assignee:

QUALCOMM Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/595 (2006.01); G05F 1/575 (2006.01);
U.S. Cl.
CPC ...
G05F 1/595 (2013.01); G05F 1/575 (2013.01);
Abstract

A load circuit of a low-dropout (LDO) regulator is disclosed herein according to certain aspects. The load circuit includes a field effect transistor having a source coupled to a supply rail, a gate, and a drain coupled to a gate of a pass transistor of the LDO regulator. The load circuit also includes an adjustable voltage source coupled between the drain and the gate of the field effect transistor, and a voltage control circuit configured to detect a change in a current load through the pass transistor, and to adjust a voltage of the adjustable voltage source based on the detected change in the current load.


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