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LTM4639

Part Number	LTM4639
Manufacturer	Linear Technology
Description	20A DC/DC uModule Step-Down Regulator
Published	Dec 3, 2014
Detailed Description	LTM4639 FEATURES Low VIN 20A DC/DC µModule Step-Down Regulator DESCRIPTION n Complete 20A Switch Mode Power Supply n...
Datasheet	LTM4639

Overview

LTM4639 FEATURES Low VIN 20A DC/DC µModule Step-Down Regulator DESCRIPTION n Complete 20A Switch Mode Power Supply n 2.375V to 7V Input Voltage Range (VIN 4.5V, Need CPWR Bias) n 0.6V to 5.5V Output Voltage Range n ±1.5% Maximum Total DC Output Voltage Error (–40°C to 125°C) n Differential Remote Sense Amplifier for Precision Regulation (VOUT ≤ 3.3V) n Current Mode Control/Fast Transient Response n Parallel Multiphase Current Sharing (Up to 80A) n Frequency Synchronization n Selectable Pulse-Skipping or Burst Mode® Operation n Soft-Start/Voltage Tracking n Up to 88% Efficiency (3.3VIN, 1.5VOUT) n Overcurrent Foldback Protection n Output Overvoltage Protection n Internal Te...

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