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LTC3447 - I2C Controllable Buck Regulator

Features

  • I2C Programmable Output with 21.6mV Resolution.
  • Overtemperature Protected.
  • High Efficiency: Up to 93%.
  • Very Low Quiescent Current: Only 33µA.
  • 600mA Output Current at VIN = 3V.
  • 2.5V to 5.5V Input Voltage Range.
  • 1MHz Constant Frequency Operation.
  • No Schottky Diode Required.
  • Low Dropout Operation: 100% Duty Cycle.
  • Stable with Ceramic Capacitors.
  • Shutdown Mode Draws.

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Datasheet preview – LTC3447

Datasheet Details

Part number LTC3447
Manufacturer Linear Technology
File Size 564.89 KB
Description I2C Controllable Buck Regulator
Datasheet download datasheet LTC3447 Datasheet
Additional preview pages of the LTC3447 datasheet.

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Full PDF Text Transcription

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U U LTC3447 I2C Controllable Buck Regulator in 3mm × 3mm DFN FEATURES ■ I2C Programmable Output with 21.6mV Resolution ■ Overtemperature Protected ■ High Efficiency: Up to 93% ■ Very Low Quiescent Current: Only 33µA ■ 600mA Output Current at VIN = 3V ■ 2.5V to 5.5V Input Voltage Range ■ 1MHz Constant Frequency Operation ■ No Schottky Diode Required ■ Low Dropout Operation: 100% Duty Cycle ■ Stable with Ceramic Capacitors ■ Shutdown Mode Draws <1µA Supply Current ■ ±2% Output Voltage Accuracy ■ Standard (100kHz) or Fast Mode (400kHz) I2C ■ 6-Bit Voltage DAC (0.69V to 2.
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