US 7,321,283 B2 | ||
Vertical winding structures for planar magnetic switched-mode power converters | ||
Vivek Mehrotra, Newbury Park, Calif. (US); Jian Sun, Clifton Park, N.Y. (US); and Sriram Chandrasekaran, Burbank, Calif. (US) | ||
Assigned to ColdWatt, Inc., Austin, Tex. (US) | ||
Filed on Aug. 19, 2004, as Appl. No. 10/922,066. | ||
Prior Publication US 2006/0038650 A1, Feb. 23, 2006 | ||
Int. Cl. H01F 5/00 (2006.01) |
U.S. Cl. 336—200 | 19 Claims |
1. A power converter, comprising:
a magnetic core having a base, first, center and second legs on said base, and a plate opposite said base, said center leg
having an air gap therein;
a vertical winding around said center leg and spaced away from said air gap; and
first and second windings around said first and second legs, respectively, wherein at least one of said first and second windings
has a different number of turns from a number of turns of said vertical winding.
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