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Controlled power dissipation in a link path in a lighting system

  • US 9,491,845 B2
  • Filed: 11/04/2011
  • Issued: 11/08/2016
  • Est. Priority Date: 11/04/2010
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • an active circuit to dissipate excess power in a link path of a switching power converter when the switching power converter receives more energy during a period of time than an amount of energy to be provided to a load coupled to the switching power converter plus inherent energy losses, wherein the excess power comprises power received by the switching power converter to prevent a premature disconnection of a phase-cut dimmer.

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