Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
August 19, 2008
Patent Application Number
11308151
Date Filed
March 8, 2006
Patent Primary Examiner
Patent 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.
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