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LTC3447

Part Number	LTC3447
Manufacturer	Linear Technology
Description	I2C Controllable Buck Regulator
Published	Mar 25, 2010
Detailed Description	U U LTC3447 I2C Controllable Buck Regulator in 3mm × 3mm DFN FEATURES ■ I2C Programmable Output with 21.6mV Resolution...
Datasheet	LTC3447 PDF File

Overview

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.
05V) ■ Disable Burst Mode Operation ■ Enable Power Good Blanking ■ Optional External Start-Up Resistors ■ Soft-Start ■ 10 Le...

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