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

DC CAFC
  • US 6,538,908 B2
  • Filed: 06/11/2002
  • Issued: 03/25/2003
  • 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 having first, second and third terminals, the first terminal to be coupled to a transformer of a power supply and the second terminal to be coupled to an input of the power supply;

    a control circuit coupled to a control terminal of the power supply controller and the third terminal of the power switch, 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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