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POWER SWITCHING DRIVING APPARATUS, AND POWER FACTOR CORRECTION DEVICE AND POWER SUPPLY DEVICE HAVING THE SAME

  • US 20130163289A1
  • Filed: 02/27/2012
  • Published: 06/27/2013
  • Est. Priority Date: 12/23/2011
  • Status: Abandoned Application
First Claim
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1. A power switching driving apparatus comprising:

  • a first driving unit providing a switching signal in response to a control signal from the outside;

    a second driving unit including a first N-type channel metal oxide semiconductor field effect transistor (NMOS FET) and a second NMOS FET cascode-connected between an operational power source terminal supplying pre-set operation power and a ground, and performing switching complimentarily in response to the switching signal to provide a switching control signal controlling power switching;

    a current supply unit supplying a current required for driving the second driving unit; and

    a voltage maintaining unit maintaining a voltage required for driving the second driving unit.

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