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LTC3544

Part Number	LTC3544
Manufacturer	Linear Technology
Description	Quad Synchronous Step-Down Regulator
Published	Aug 14, 2007
Detailed Description	LTC3544 Quad Synchronous Step-Down Regulator: 2.25MHz, 300mA, 200mA, 200mA, 100mA FEATURES ■ High Efﬁciency: Up to 95% ...
Datasheet	LTC3544 PDF File

Overview

LTC3544 Quad Synchronous Step-Down Regulator: 2.
25MHz, 300mA, 200mA, 200mA, 100mA FEATURES ■ High Efﬁciency: Up to 95% ■ Four Independent Regulators Provide Up to 300mA, 200mA, 200mA and 100mA Output Current ■ 2.
25V to 5.
5V Input Voltage Range ■ 2.
25MHz Constant-Frequency Operation ■ No Schottky Diodes Required ■ Extremely Low Channel-to-Channel Transient Crosstalk ■ Low Ripple (20mVP-P) Burst Mode Operation: IQ = 70μA (All Channels On) ■ 0.
8V Reference Allows Low Output Voltages ■ Shutdown Mode Draws <1μA Supply Current ■ Current Mode Operation for Excellent Line and Load Transient Response ■ Overtemperature Protected ■ Low Proﬁle (3mm × 3mm) 16-Lead QFN Package APPLICATIONS ■ Cellular Tel...

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