BRIDGELESS PFC POWER CONVERTER WITH REDUCED EMI NOISE

BRIDGELESS PFC POWER CONVERTER WITH REDUCED EMI NOISE

  • CN 104,218,826 A
  • Filed: 05/27/2014
  • Published: 12/17/2014
  • Est. Priority Date: 05/30/2013
  • Status: Active Application
First Claim
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1. a no bridge type power factor correcting step-up converter, comprising:

  • A. the first transistor switch, described the first transistor switch couples is to the first terminal of AC voltage source;

    B. transistor seconds switch, described transistor seconds switch couples is to the second terminal of described AC voltage source;

    C. the first diode, described first diode comprises the anode being coupled to described the first transistor switch;

    D. the second diode, described second diode comprises the anode being coupled to described transistor seconds switch;

    E. boost inductor, described boost inductor comprises the first terminal of anode and the described the first transistor switch being coupled to described first rectifier diode, and wherein said boost inductor also comprises the second terminal of anode and the described transistor seconds switch being coupled to described second rectifier diode;

    F. the 3rd diode, described 3rd diode comprises the negative electrode of the described the first terminal being coupled to described AC voltage source;

    G. the 4th diode, described 4th diode comprises the negative electrode of described second terminal being coupled to described AC voltage source;

    AndH. output capacitor, described output capacitor comprises the first terminal of the negative electrode of negative electrode and described second diode being coupled to described first diode, and wherein said output capacitor also comprises the second terminal of the anode of anode and described 4th diode being coupled to described 3rd diode.

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