Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takashi Sato0
Date of Patent
June 29, 2010
0Patent Application Number
120561140
Date Filed
March 26, 2008
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A power supply device includes a DC-DC converter configured to regulate an output voltage based on an externally input instruction, and a discharge circuit connected to an output capacitor of the DC-DC converter, wherein the discharge circuit includes a switch element configured to switch between a conductive state and a nonconductive state according to an instruction, and a capacitor-resistor (C-R) circuit configured to charge electric charge accumulated in the output capacitor of the DC-DC converter when the switch element is conductive and to discharge the electric charge to ground when the switch element is nonconductive.
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