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LTC3802

Linear Technology
Part Number LTC3802
Manufacturer Linear Technology
Description Dual 550kHz Synchronous 2-Phase DC/DC Controller
Published Jun 8, 2009
Detailed Description U U LTC3802 Dual 550kHz Synchronous 2-Phase DC/DC Controller with Programmable Up/Down Tracking FEATURES s Wide VIN Ra...
Datasheet PDF File LTC3802 PDF File

LTC3802
LTC3802

Overview
U U LTC3802 Dual 550kHz Synchronous 2-Phase DC/DC Controller with Programmable Up/Down Tracking FEATURES s Wide VIN Range: 3V to 30V Operation with Line Feedforward Compensation s Leading Edge Modulation Architecture for Extremely Low Duty Cycle Operation s Phase-Lockable Fixed Frequency: 330kHz to 750kHz s Two 180° Out-of-Phase Controllers s Fast Programmable Power-Up/-Down Tracking s Programmable Current Limit Without External Current Sense Resistor s Optional Burst Mode® Operation at Light Load s ±1% 0.
6V Voltage Reference s External N-Channel MOSFET Architecture s Low Shutdown Current: <100µA s Overvoltage Protection and PGOOD Flag s Small 28-Lead SSOP and 32-Lead QFN Packages U APPLICATIO S s Notebook and Palmtop Computers s Portable Instruments s Battery-Operated Digital Devices s DC Power Distribution Systems DESCRIPTIO The LTC®3802 is a dual switching regulator controller optimized for high efficiency step-down conversion from input voltages between 3V to 30V.
The controller...


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