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.
Patent No.:
Date of Patent:
Apr. 05, 2022
Filed:
May. 21, 2020
Applicant:
Ablic Inc., Chiba, JP;
Inventor:
Kaoru Sakaguchi, Chiba, JP;
Assignee:
ABLIC INC., Chiba, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/575 (2006.01); G05F 1/59 (2006.01); G05F 1/10 (2006.01); H02M 3/156 (2006.01); H02M 1/08 (2006.01);
U.S. Cl.
CPC ...
G05F 1/575 (2013.01); G05F 1/59 (2013.01); G05F 1/10 (2013.01); H02M 1/08 (2013.01); H02M 3/156 (2013.01);
Abstract
A voltage regulator includes an error amplifier which controls the gate of an output transistor so that a feedback voltage based on an output voltage of an output terminal matches a first reference voltage, a first transistor having a gate to which a second reference voltage is supplied, and a first resistor connected between the gate of the output transistor and the source of the first transistor. The first resistor functions as a resistance constituting a phase compensation circuit by a current flowing therethrough in response to a small output current of the output transistor.