Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wei-Hsuan Huang0
Ta-Yung Yang0
Date of Patent
August 11, 2009
0Patent Application Number
114774840
Date Filed
June 30, 2006
0Patent Primary Examiner
Patent abstract
The present invention provides a high efficiency voltage regulator. It includes an input transistor coupled to a voltage source to provide a supply voltage. A detection circuit is coupled to the voltage source and the supply voltage to generate a control signal and an enable signal in response to voltage levels of the voltage source and the supply voltage. A charge pump circuit is coupled to the detection circuit and the input transistor to turn on the input transistor in response to the control signal. A control transistor is connected to the detection circuit and the input transistor to turn off the input transistor in response to the control signal.
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