Method and control circuit for power factor correction
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United States of America Patent
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Aug 29, 2006
Grant Date -
Nov 17, 2005
app pub date -
May 13, 2004
filing date -
May 13, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A power factor correcting converter includes a control circuit that modulates on and off intervals of a power switch so that a momentary input current of the converter is directly proportional to both a momentary value of an input voltage of the converter and to a momentary value of a current absorbed by a load coupled to an output of the converter.
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