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LTC3772 Datasheet Micropower No RSENSE Constant Frequency Step-Down DC/DC Controller

Manufacturer: Linear Technology (now Analog Devices)

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Overview

U U LTC3772 Micropower No RSENSE Constant Frequency Step-Down DC/DC.

Key Features

  • No Current Sense Resistor Required.
  • 40µA No-Load Quiescent Current.
  • High Output Currents Easily Achieved.
  • Internal Soft-Start Ramps VOUT.
  • Wide VIN Range: 2.75V to 9.8V.
  • Low Dropout: 100% Duty Cycle.
  • Constant Frequency 550kHz Operation.
  • Low Ripple Burst Mode® Operation at Light Load.
  • Output Voltage as Low as 0.8V.
  • ±1.5% Voltage Reference Accuracy.
  • Current Mode Operation for Excellent Line and Load Transient Response.
  • Only 8µA.

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