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Single stage boost-asymmetric LLC

  • US 9,325,249 B2
  • Filed: 03/13/2013
  • Issued: 04/26/2016
  • Est. Priority Date: 03/13/2013
  • Status: Active Grant
First Claim
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1. A power converter comprising:

  • a full bridge rectifier configured to receive an alternating current (AC) input for conversion into a rectified direct current (DC) output;

    a transformer comprising a primary winding and a secondary winding, wherein a first primary terminal of the primary winding is connected to the full bridge rectifier;

    a resonant inductor connected to a second primary terminal of the primary winding;

    a storage capacitor and a pair of parallel switches that are disposed on a primary winding side of the transformer such that a current from the full bridge rectifier flows through the primary winding, then the resonant inductor, before flowing through the pair of parallel switches;

    a pair of diodes connected to a first secondary terminal of the secondary winding; and

    a pair of resonant capacitors connected to a second secondary terminal of the secondary winding.

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