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ADAPTIVE CURRENT LIMITER AND DIMMER SYSTEM INCLUDING THE SAME

  • US 20120026761A1
  • Filed: 07/28/2010
  • Published: 02/02/2012
  • Est. Priority Date: 07/28/2010
  • Status: Active Grant
First Claim
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1. An adaptive current limiter comprising:

  • a sense element including a first sense terminal coupled to a power supply terminal and a second sense terminal, the sense element to generate a sense voltage in response to a feedback current;

    a current pass element including a first terminal for receiving the feedback current, a second terminal coupled to the second sense terminal, and a control terminal; and

    a controller coupled to the sense element and to the control terminal, the controller for adjusting the feedback current conducted by the current pass element based on the sense voltage and a time-varying voltage signal.

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