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LTC3548

Part Number	LTC3548
Manufacturer	Linear Technology
Description	Step-Down DC/DC Regulator
Published	Nov 12, 2006
Detailed Description	LTC3548 Dual Synchronous, 400mA/800mA, 2.25MHz Step-Down DC/DC Regulator FEATURES n High Efﬁciency: Up to 95% n Very Lo...
Datasheet	LTC3548 PDF File

Overview

LTC3548 Dual Synchronous, 400mA/800mA, 2.
25MHz Step-Down DC/DC Regulator FEATURES n High Efﬁciency: Up to 95% n Very Low Quiescent Current: Only 40μA n Low Output Ripple Burst Mode® Operation n 2.
25MHz Constant-Frequency Operation n High Switch Current: 0.
7A and 1.
2A n No Schottky Diodes Required n Low RDS(ON) Internal Switches: 0.
35Ω n Current Mode Operation for Excellent Line and Load Transient Response n Short-Circuit Protected n Low Dropout Operation: 100% Duty Cycle n Ultralow Shutdown Current: IQ < 1μA n Output Voltages from 5V down to 0.
6V n Power-On Reset Output n Externally Synchronizable Oscillator n Small Thermally Enhanced MSOP and 3mm × 3mm DFN Packages APPLICATIONS ■ PDAs/Palm...

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