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Current source with indirect load current signal extraction

  • US 20080180075A1
  • Filed: 01/29/2007
  • Published: 07/31/2008
  • Est. Priority Date: 01/29/2007
  • Status: Active Grant
First Claim
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1. A switching circuit for supplying an output current to a load, comprising:

  • a switching element,an inductive element coupled to the switching element, anda load current extraction circuit responsive to current in the inductive element for producing a load current signal as a simulated current approximating current in the load.

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