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LTC3544B

Linear Technology
Part Number LTC3544B
Manufacturer Linear Technology
Description Quad Synchronous Step-Down Regulator
Published Jun 3, 2010
Detailed Description LTC3544B Quad Synchronous Step-Down Regulator: 2.25MHz, 300mA, 200mA, 200mA, 100mA Features ■ High Efficiency: Up to 9...
Datasheet PDF File LTC3544B PDF File

LTC3544B
LTC3544B

Overview
LTC3544B 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 ■ Low Dropout Operation: 100% Duty Cycle ■ Pulse Skipping at Low Load for Minimum Ripple ■ 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 Telephones ■ Personal Information Appliances ■ Wireless and DSL Modems ■ Digital Still Cameras ■ Media Players ■ Portable Instruments Description The LTC®3544B is a quad, high efficiency, monolithic synchronous buck regulator using a constant frequency, current mode architecture.
The four regulators operate independently with separate ...


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