Off-line converter with digital control

  • US 6,297,623 B1
  • Filed: 08/02/2000
  • Issued: 10/02/2001
  • Est. Priority Date: 02/27/1998
  • Status: Expired due to Term
First Claim
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1. A regulator circuit comprising:

  • a feedback input;

    a switch comprising a first terminal, a second terminal and a control terminal, said switch coupling said first and second terminals when a control signal is received at said control terminal;

    an oscillator comprising an oscillator output that provides a duty cycle signal comprising a high state and a low state;

    said control signal being provided when no feedback signal is provided at said feedback input and said duty cycle signal is in said high state.

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