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. 09, 2018

Filed:

Jan. 11, 2017
Applicant:

Torex Semiconductor Ltd., Tokyo, JP;

Inventor:

Yousuke Katsushima, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 3/24 (2006.01); G05F 3/26 (2006.01);
U.S. Cl.
CPC ...
G05F 3/262 (2013.01);
Abstract

In a reference voltage generation circuit, a reference voltage generation unitis configured to receive, as feedback, a voltage of an output terminala startup circuit unithas a depletion MOS transistor TRand enhancement MOS transistors TRTRthe MOS transistor TRhas one end connected to a power sourceand is formed as a constant current connection; the MOS transistor TRhas one end connected to the power sourcevia a resistor RST, has an opposite end connected to the output terminaland further has a gate connected to an opposite end of the MOS transistor TRand the MOS transistor TRhas one end connected to the opposite end of the MOS transistor TRhas an opposite end grounded, and further has a gate connected to the output terminalThe reference voltage generation circuit can reduce the occurrence of a wasteful current consumption after circuit startup.


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