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LTC3861 Datasheet Multiphase Step-down Voltage Mode DC/dc Controller

Manufacturer: Linear Technology (now Analog Devices)

Overview: LTC3861.

General Description

n Operates with Power Blocks, DrMOS or External Gate Drivers and MOSFETs n Constant-Frequency Voltage Mode Control with Accurate Current Sharing n ±0.75% 0.6V Voltage Reference n Dual Differential Output Voltage Sense Amplifiers n Multiphase Capability—Up to 12-Phase Operation n Programmable Current Limit n Safely Powers a Prebiased Load n Programmable or PLL-Synchronizable Switching Frequency Up to 2.25MHz n Lossless Current Sensing Using Inductor DCR or Precision Current Sensing with Sense Resistor n VCC Range: 3V to 5.5V n VIN Range: 3V to 24V n Power Good Output Voltage Monitor n Output Voltage Tracking Capability n Programmable Soft-Start n Available in a 36-Pin 5mm × 6mm QFN Package Applications n High Current Distributed Power Systems n DSP, FPGA and ASIC Supplies n Datacom and Telecom Systems n Industrial Power Supplies L, LT, LTC, LTM, PolyPhase, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

Protected by U.S.

Key Features

  • Dual, Multiphase Step-Down Voltage Mode DC/DC Controller with Accurate Current Sharing.

LTC3861 Distributor & Price

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