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. 21, 2015
Filed:
Jul. 24, 2012
Yi-chang Shih, Hsinchu, TW;
Yi-shao Chang, Kaohsiung, TW;
Yi-Chang Shih, Hsinchu, TW;
Yi-Shao Chang, Kaohsiung, TW;
Realtek Semiconductor Corp., Science Park, HsinChu, TW;
Abstract
A power supplying circuit for generating an output voltage, which comprises: a noise detecting circuit, for receiving a first reference voltage and for generating a second reference voltage according to the output voltage and the first reference voltage, wherein a noise component of the second reference voltage is the same as which of the output voltage; a control voltage generating unit, for receiving a feedback voltage and the second reference voltage, and for generating a control voltage according to the feedback voltage and the second reference voltage; a voltage providing device, for generating the output voltage according to the control voltage and an input voltage; and a feedback module, for generating the feedback voltage according to the output voltage.