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Coupled inductor output filter

  • US 8,427,120 B1
  • Filed: 05/05/2011
  • Issued: 04/23/2013
  • Est. Priority Date: 05/05/2010
  • Status: Active Grant
First Claim
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1. A coupled inductor output filter for one or more DC/DC switched mode power supplies with a power output for powering a load with a first load end and a second load end, the filter comprising:

  • a coupled inductor including a first inductor coupled to a second inductor;

    the first inductor connected between the power output and the load;

    a first capacitor connected in parallel with the load;

    the second inductor connected in series with a second capacitor to form an inductor capacitor series; and

    the inductor capacitor series connected in parallel with the load.

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