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LTC3853 - Multiphase Synchronous Step-Down Controller

General Description

n Triple, 120° Phased Controllers Reduce Required Input Capacitance and Power Supply Induced Noise n Configurable as a 180° Dual Phase Controller Plus a Single Phase Controller n The Third Phase Can Regulate Up to a 13.5V Output n High Efficiency: Up to 92% n RSENSE or DCR Current Sensing n ±0.75%

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LTC3853 Triple Output, Multiphase Synchronous Step-Down Controller FEATURES DESCRIPTION n Triple, 120° Phased Controllers Reduce Required Input Capacitance and Power Supply Induced Noise n Configurable as a 180° Dual Phase Controller Plus a Single Phase Controller n The Third Phase Can Regulate Up to a 13.5V Output n High Efficiency: Up to 92% n RSENSE or DCR Current Sensing n ±0.75% 0.8V Output Voltage Accuracy n Phase-Lockable Fixed Frequency 250kHz to 750kHz n Supports Pre-Biased Outputs n Dual N-Channel MOSFET Synchronous Drive n Wide VIN Range: 4.