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LT1976B - Step-Down Switching Regulator

Features

  • Wide Input Range: 3.3V to 60V.
  • 1.5A Peak Switch Current (LT1976).
  • 100μA Quiescent Current (LT1976).
  • 1.6mA Quiescent Current (LT1976B).
  • Low Shutdown Current: IQ < 1μA.
  • Power Good Flag with Programmable Threshold.
  • Load Dump Protection to 60V.
  • 200kHz Switching Frequency.
  • Saturating Switch Design: 0.2Ω On-Resistance.
  • Peak Switch Current Maintained Over Full Duty Cycle Range.
  • 1.25V Feedback Reference Voltage.
  • Easily Synchroni.

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Full PDF Text Transcription

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U U LT1976/LT1976B High Voltage 1.5A, 200kHz Step-Down Switching Regulator with 100μA Quiescent Current FEATURES ■ Wide Input Range: 3.3V to 60V ■ 1.5A Peak Switch Current (LT1976) ■ 100μA Quiescent Current (LT1976)** ■ 1.6mA Quiescent Current (LT1976B) ■ Low Shutdown Current: IQ < 1μA ■ Power Good Flag with Programmable Threshold ■ Load Dump Protection to 60V ■ 200kHz Switching Frequency ■ Saturating Switch Design: 0.2Ω On-Resistance ■ Peak Switch Current Maintained Over Full Duty Cycle Range* ■ 1.
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