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DC to DC converter with high frequency zigzag transformer

  • US 7,170,268 B2
  • Filed: 08/09/2004
  • Issued: 01/30/2007
  • Est. Priority Date: 08/09/2004
  • Status: Active Grant
First Claim
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1. A multiphase DC to DC boost converter comprising:

  • a zigzag device having at least one N-legged core, wherein N is the number of phases which is greater than or equal to 2, and said at least one N-legged core of the zigzag device has no airgap to form a zigzag transformer;

    wherein each phase of the zigzag device comprises a winding having two parts, a first said part wound on a selected leg of said at least one core and a second said part wound on a further leg adjacent said selected leg of said at least one core;

    a plurality of diodes, each P side of the diodes connected to each leg of the cores of the device; and

    a plurality of transistors, each drain terminal of the transistors connected to each leg of the cores of the device.

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