INTEGRATED MAGNETIC CIRCUIT AND METHOD OF REDUCING MAGNETIC DENSITY BY SHIFTING PHASE
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United States of America Patent
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Issued Date -
Apr 2, 2015
app pub date -
Sep 10, 2013
filing date -
Sep 10, 2012
priority date (Note) -
Abandoned
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Abstract
Disclosed herein are an AC-DC converter in which an inductor of boost PFC and a flyback transformer are integrated in one and a method of preventing a magnetic density from being saturated by shifting a phase. The integrated magnetic circuit according to an exemplary embodiment of the present invention includes: a power factor correction stage (PFC-stage) including a boost inductor; and a flyback transformer including a primary winding and a secondary winding, wherein the boost inductor and the primary winding of the flyback transformer and the secondary winding of the flyback transformer are wound around a single core.
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