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Power converter having regulated dual outputs

  • US 6,501,193 B1
  • Filed: 09/07/2001
  • Issued: 12/31/2002
  • Est. Priority Date: 09/07/2001
  • Status: Expired due to Term
First Claim
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1. A converter having first and second outputs, comprising:

  • a transformer having a primary winding and at least one secondary winding;

    a primary side including said primary winding of said transformer, a first switch coupled between said primary winding and ground, said first switch adapted to alternatingly apply an input voltage to said primary winding to define successive on-states and off-states of said converter responsive to feedback voltage from said first output;

    a secondary side having first and second sections, said first section including said at least one secondary winding and a first inductor coupled between said at least one secondary winding and said first output, said second section including said at least one secondary winding and a second inductor coupled between said at least one secondary winding and said second output; and

    a second switch adapted to apply a regulating voltage between said second inductor and said at least one secondary winding during a regulating period corresponding to a portion of said off-states to thereby increase volt-seconds applied to said second inductor.

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