POWER FACTOR CORRECTED CIRCUIT HAVING INTEGRATED COIL
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United States of America Patent
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Issued Date -
Apr 30, 2009
app pub date -
Feb 22, 2008
filing date -
Oct 31, 2007
priority date (Note) -
Abandoned
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Abstract
There is provided a power factor corrected circuit having an integrated coil in which a plurality of inductors that have been separately used for circuits are wound around one core. The power factor corrected circuit includes a rectifying unit for rectifying a common AC power supply; a coil unit for controlling the change in electric current of the rectified power supply from the rectifying unit according to the switching operation; and a switching unit for complementarily switching the power supply from the coil unit, wherein the coil unit has a core including first and second coils electrically coupled to each other; and first, second and third legs magnetically coupled to each other, and the first coil is wound around the first leg, the second coil is wound around the second leg, and the third leg is combined with the first and the second leg to form magnetic flux paths, respectively.
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