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LTC3853

Part Number LTC3853
Manufacturer Linear Technology
Description Multiphase Synchronous Step-Down Controller
Published Jun 8, 2009
Detailed Description LTC3853 Triple Output, Multiphase Synchronous Step-Down Controller FEATURES DESCRIPTION n Triple, 120° Phased Contro...
Datasheet LTC3853





Overview
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.
5V to 24V Operation (28V Abs Max) n Adjustable Soft-Start Current Ramping or Tracking n Foldback Output Current Limiting n Output Overvolt...






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