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Current foldback circuit for a DC power supply

  • US 4,326,245 A
  • Filed: 02/23/1981
  • Issued: 04/20/1982
  • Est. Priority Date: 02/23/1981
  • Status: Expired due to Fees
First Claim
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1. A DC power supply comprising:

  • a. input means for receiving input power at an input voltage;

    b. output means, connected to said input means, for producing output power at another, output voltage, said output means having a control input and being responsive to a control signal applied to said control input to vary said output voltage; and

    c. control means, connected to said output means, for producing said control signal, said control means including;

    1. a differential amplifier having first and second inputs and an output connected to said control input of said output means, said differential amplifier producing said control signal at said output thereof;

    2.

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