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. 19, 2008
Filed:
Mar. 08, 2006
Applicants:
Jeng-huang Wu, Taipei, TW;
Yi-hwa Chang, Hsin-Chu Hsien, TW;
Shang-chih Hsieh, Kao-Hsiung Hsien, TW;
Inventors:
Jeng-Huang Wu, Taipei, TW;
Yi-Hwa Chang, Hsin-Chu Hsien, TW;
Shang-Chih Hsieh, Kao-Hsiung Hsien, TW;
Assignee:
Faraday Technology Corp., Science-Based Industrial Park, Hsin-Chu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05F 1/10 (2006.01); G05F 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A power gating circuit of a signal processing system includes a low dropout linear regulator, a control circuit, and an output circuit. The low dropout linear regulator includes a first transistor, an operational amplifier, a first resistor, a second resistor, and an output end. The output circuit includes a fourth transistor and a step-down circuit. The control circuit controls output voltage of the output circuit according to a control signal.