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Electronic Ballast with High Power Factor

  • US 20120146526A1
  • Filed: 08/20/2010
  • Published: 06/14/2012
  • Est. Priority Date: 08/21/2009
  • Status: Active Grant
First Claim
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1. An electronic ballast circuit for a fluorescent lamp, comprising:

  • a power circuit that outputs power to the lamp; and

    an integrated power supply for a controller circuit;

    wherein the power circuit operates with only one switch;

    wherein the integrated power supply receives at least a portion of the output power from the power circuit and delivers power to the controller circuit.

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