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LTC3445 Datasheet I2C Controllable Buck Regulator

Manufacturer: Linear Technology (now Analog Devices)

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Overview

U U LTC3445 I2C Controllable Buck Regulator with Two LDOs in a 4mm × 4mm.

Key Features

  • Buck Regulator.
  • High Efficiency: Up to 93%.
  • 600mA Output Current (VCC1 = 3V, VOUT = 1.3V).
  • Programmable Output Voltage: 0.85V to 1.55V.
  • 2.5V to 5.5V Input Voltage Range.
  • 1.5MHz Constant Frequency or Spread Spectrum Option.
  • Soft-Start LDOs.
  • Two LDO Regulators: 0.3V Dropout at 50mA PowerPath Controller.
  • Dynamically Regulates VCC BATT I2C.
  • Standard (100kHz) or Fast Mode (400kHz).
  • 24-Lead (4mm × 4mm) QFN Package U.

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