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SWITCHING POWER SUPPLY SYSTEM FOR OPTICAL SOURCES OR A LOAD REQUIRING A CONTROLLED SUPPLY CURRENT

  • US 20100164400A1
  • Filed: 12/21/2009
  • Published: 07/01/2010
  • Est. Priority Date: 12/31/2008
  • Status: Active Grant
First Claim
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1. A switching power supply for supplying a load requiring a controlled current, comprising:

  • a PFC pre-regulator for receiving an input voltage and providing an output voltage;

    a DC-DC switching converter, which operates at a fixed and constant operating frequency, for receiving at input the voltage output by the pre-regulator and for providing at output a supply voltage of said load, wherein said switching DC-DC converter includes a resonant converter comprising an LLC resonant circuit.

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