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:
Dec. 04, 2018
Filed:
Aug. 17, 2017
Applicant:
Realtek Semiconductor Corp., Hsinchu, TW;
Inventor:
Ping-Yuan Deng, Taoyuan, TW;
Assignee:
REALTEK SEMICONDUCTOR CORP., Hsinchu, TW;
Primary Examiner:
Int. Cl.
CPC ...
G05F 1/46 (2006.01); G05F 1/563 (2006.01); G05F 1/565 (2006.01); G05F 1/575 (2006.01);
U.S. Cl.
CPC ...
G05F 1/467 (2013.01); G05F 1/563 (2013.01); G05F 1/565 (2013.01); G05F 1/575 (2013.01);
Abstract
Disclosed is a voltage regulator. The voltage regulator includes a reference voltage circuit, a noise cancellation circuit, an error amplifier, a pass transistor and a voltage divider. The voltage regulator can cancel the noise generated by the reference voltage circuit and the error amplifier, and also can improve its Power Supply Rejection Ratio (PSRR).