Integrated inductor and a method for reduction of losses in an integrated inductor
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United States of America Patent
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Dec 6, 2016
Grant Date -
Feb 13, 2014
app pub date -
Mar 22, 2012
filing date -
Mar 23, 2011
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Abstract
An integrated inductor comprising a multi-winding inductor having a transformer winding (L1) and a resonant inductor (L2). Sections (I), (2) of the magnetic circuit of the transformer winding (L1) are incorporated into magnetic circuits of at least two parts (L2A), (L2B) of a resonant inductor (L2) so as to form common parts of magnetic circuit of the multi-winding inductor (L1) and at least two-part (L2A), (L2B) resonant inductor (L2), wherein the transformer winding (L1) of the multi-winding inductor is wound around a column (II), which has at least one air gap (G) having a width adapted so that the magnetic induction produced by the at least two-part (L2A), (L2B) resonant inductor (L2) does not exceed 25% of the magnetic induction produced by the transformer winding (L1) of the multi winding inductor.
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