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LTC3772

Part Number	LTC3772
Manufacturer	Linear Technology
Description	Micropower No RSENSE Constant Frequency Step-Down DC/DC Controller
Published	Dec 5, 2009
Detailed Description	U U LTC3772 Micropower No RSENSE Constant Frequency Step-Down DC/DC Controller FEATURES ■ No Current Sense Resistor R...
Datasheet	LTC3772 PDF File

Overview

U U LTC3772 Micropower No RSENSE Constant Frequency Step-Down DC/DC Controller FEATURES ■ No Current Sense Resistor Required ■ 40µA No-Load Quiescent Current ■ High Output Currents Easily Achieved ■ Internal Soft-Start Ramps VOUT ■ Wide VIN Range: 2.
75V to 9.
8V ■ Low Dropout: 100% Duty Cycle ■ Constant Frequency 550kHz Operation ■ Low Ripple Burst Mode® Operation at Light Load ■ Output Voltage as Low as 0.
8V ■ ±1.
5% Voltage Reference Accuracy ■ Current Mode Operation for Excellent Line and Load Transient Response ■ Only 8µA Supply Current in Shutdown ■ Low Profile 8-Lead SOT-23 (1mm) and (3mm × 2mm) DFN U (0.
75mm) Packages APPLICATIO S ■ 1- or 2-Cell Li-Ion Battery-Powe...

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