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Methods and apparatus for switching regulator control

  • US 20070229001A1
  • Filed: 04/03/2006
  • Published: 10/04/2007
  • Est. Priority Date: 04/03/2006
  • Status: Active Grant
First Claim
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1. A circuit, comprising;

  • a capacitive element for coupling across a load element to be energized by a DC signal;

    a first sense element to monitor an instantaneous sum of currents through the load element and the capacitive element;

    a switching element to control current through the first sense element;

    a second sense element coupled to the switching element to sense current through the switching element;

    an energy storage element coupled to the switching element, a unidirectional current flow element allowing current flow to the load element; and

    a converter circuit to control the switching element;

    wherein the converter circuit regulates to the current level monitored across the first sense element, and wherein a converter regulation loop includes a dominant pole to average the current sensed through the first sense element.

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