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Method and apparatus providing a multi-function terminal for a power supply controller

  • US 6,643,153 B2
  • Filed: 01/22/2003
  • Issued: 11/04/2003
  • Est. Priority Date: 09/24/1999
  • Status: Expired due to Term
First Claim
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1. A power supply controller, comprising:

  • a power switch to be coupled between an energy transfer element of a power supply and an input of the power supply;

    a control circuit coupled to the power switch and a control terminal of the power supply controller, the control terminal coupled to an output of the power supply, the control circuit to generate a switching waveform to control the power switch; and

    multi-function circuitry coupled between a multi-function terminal of the power supply controller and the control circuit, the switching waveform generated in response to the control terminal and the multi-function terminal.

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