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POWER SUPPLYING APPARATUS AND POWER CHARGING APPARATUS

  • US 20140159676A1
  • Filed: 02/13/2013
  • Published: 06/12/2014
  • Est. Priority Date: 12/06/2012
  • Status: Abandoned Application
First Claim
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1. A power supplying apparatus comprising:

  • a power factor correcting circuit switching input power to correct a power factor thereof and adjusting a voltage level of the power of which the power factor has been corrected according to a state of power transferred to a load; and

    a resonant direct current (DC) to DC converting circuit having a resonance frequency varied according to a voltage level of DC power from the power factor correcting circuit and converting the DC power from the power factor correcting circuit into supply power having a preset level according to the resonance frequency.

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