Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 6, 2007
Patent Application Number
10915398
Date Filed
August 11, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
An auto-switching converter with PWM and PFM selection supplies a boosted DC power to a load through a power switch unit. A starter outputs a starting-enabling signal. An auto PWM/PFM controller is connected to the starter for outputting a selection signal. A controller and a PFM controller are connected to the auto PWM/PFM controller, the power switch unit and the load for transmitting a PWM control signal and a PFM control signal to the power switch unit, respectively, for controlling the switching action of the power switch unit.
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