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Variable switching frequency voltage regulator to optimize power loss

  • US 6,639,391 B2
  • Filed: 02/25/2002
  • Issued: 10/28/2003
  • Est. Priority Date: 02/25/2002
  • Status: Active Grant
First Claim
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1. A computer system comprising:

  • a central processing unit (CPU); and

    a voltage regulator, coupled to the CPU, that operates at a first switching frequency whenever a feedback signal is deactivated, and operates at a second switching frequency whenever the feedback signal is activated.

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