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Circuits and methods for slew rate control and current limiting in switch-mode systems

  • US 6,597,240 B1
  • Filed: 04/02/2001
  • Issued: 07/22/2003
  • Est. Priority Date: 04/02/2001
  • Status: Active Grant
First Claim
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1. A switched-mode amplifier current control apparatus comprising:

  • a driver amplifier configurable for selective operation in a first, second and third operating mode; and

    a bias circuitry configured for selective coupling to said driver amplifier, said bias circuitry operable for limiting an output current of said driver amplifier in said first operating mode, and wherein said driver amplifier is operable for transitioning from said first operating mode to a selected one of said second and third operating modes in response to a state of an output node of said driver amplifier.

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