SWITCHING POWER CONVERTER FOR SUPPRESSING COMMON MODE NOISE

  • US 20100202164A1
  • Filed: 04/16/2010
  • Published: 08/12/2010
  • Est. Priority Date: 01/25/2006
  • Status: Active Grant
First Claim
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1. A switching power converter comprising:

  • an inductive component;

    a capacitive component;

    at least a switch having at least a terminal wherein said switch turning on and off alternatively which generates a plurality of noise voltages;

    said noise voltage having a jump point and a static point;

    said jump point is one of said inductive component terminals, said capacitive component terminals and said second and third terminal of the switch; and

    an additional impedance connected between the static point and the jump point of different noise voltage to neutralize common noise current.

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