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:
Aug. 08, 2023
Filed:
Jan. 07, 2022
Applicant:
Rohm Co., Ltd., Kyoto, JP;
Inventor:
Hiroki Inoue, Kyoto, JP;
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/575 (2006.01); B60R 16/03 (2006.01); H02M 3/156 (2006.01);
U.S. Cl.
CPC ...
G05F 1/575 (2013.01); B60R 16/03 (2013.01); H02M 3/156 (2013.01);
Abstract
A power supply circuit, includes: an N-channel depletion type output transistor connected between an input terminal of an input voltage and an output terminal of an output voltage; and an operational amplifier configured to control a gate of the output transistor so that a feedback voltage corresponding to the output voltage matches a reference voltage.