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LTC3409

Part Number	LTC3409
Manufacturer	Linear Technology
Description	600mA Low Vin Buck Regulator
Published	Jun 29, 2009
Detailed Description	LTC3409 600mA Low VIN Buck Regulator in 3mm × 3mm DFN FEATURES ■ 1.6V to 5.5V Input Voltage Range ■ Internal Soft-Star...
Datasheet	LTC3409 PDF File

Overview

LTC3409 600mA Low VIN Buck Regulator in 3mm × 3mm DFN FEATURES ■ 1.
6V to 5.
5V Input Voltage Range ■ Internal Soft-Start ■ Selectable 1.
7MHz or 2.
6MHz Constant Frequency Operation ■ Internal Oscillator can be Synchronizable to an External Clock, 1MHz to 3MHz Range ■ High Efﬁciency: Up to 95% ■ Very Low Quiescent Current: Only 65μA During Burst Mode® Operation ■ 600mA Output Current (VIN = 1.
8V, VOUT = 1.
2V) ■ 750mA Peak Inductor Current ■ No Schottky Diode Required ■ Low Dropout Operation: 100% Duty Cycle ■ 0.
613V Reference Voltage ■ Stable with Ceramic Capacitors ■ Shutdown Mode Draws <1μA Supply Current ■ Current Mode Operation for Excellent Line and Load Transient Response ■ Overtemperat...

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