Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tian-Hau Chen0
Date of Patent
August 19, 2008
0Patent Application Number
114053820
Date Filed
April 17, 2006
0Patent Primary Examiner
Patent abstract
A power switching device which is used to receive plenty of input voltage and output a switch voltage is provided. The device comprises a first switching unit, a second switching unit, and a self-bias unit. The power switching device outputs a switch voltage according to the outputs of the first switching unit and the second switching unit. The self-bias unit outputs a reference voltage to the second switching unit. The first switching unit outputs a first input voltage as the switch voltage according to a first enable signal. The second switching unit outputs a second input voltage as the switch voltage according to the reference voltage and a second enable signal.
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