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VOLTAGE CONVERTER WITH FIRST PUSH

  • US 20110043174A1
  • Filed: 08/20/2009
  • Published: 02/24/2011
  • Est. Priority Date: 08/20/2009
  • Status: Active Grant
First Claim
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1. In a boost DC/DC power converter having a low voltage source, an inductor and a switching device coupled to form a series loop wherein the junction of the low voltage battery and switching device is coupled to a ground;

  • a diode in series with a capacitor coupled across said switching device;

    a voltage divider coupled across the capacitor; and

    a pulse width modulator coupled across the voltage divider to receive power and to the voltage divider to receive an input from the voltage divider to provide an input to a control terminal of the switching device, said converter comprising;

    a first push controller coupled across said switching device,wherein said low voltage source by itself is not capable of generating a voltage of sufficient magnitude to operate the switching device, andwherein the first push circuit provides a first push voltage of sufficient magnitude to turn the switching device on.

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