Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Robert Marenche0
Thomas J. Ribarich0
Dana S. Wilhelm0
Date of Patent
January 22, 2008
Patent Application Number
10870901
Date Filed
June 18, 2004
Patent Primary Examiner
Patent abstract
A power factor control circuit for an AC to DC power converter includes an inductor receiving AC rectified power. The charging time of the inductor is controlled by a switching circuit based on a comparison between a DC bus voltage and a fixed reference voltage. The circuit operates without an AC rectified line sensing network, and without a current-sensing resistor connected to the source of the MOSFET switch.
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