LTM4639 Datasheet PDF | Linear Technology

Linear Technology LTM4639

the LTM4639 supports an output voltage range of 0.6V to 5.5V, set by a single external resistor. The device supports frequency synchronization, multiphase/current sharing, Burst Mode operation and output voltage tracking for supply rail sequencing. The LTM4639 is offered in a 15mm × 15mm × 4.92mm BGA package.

Part No.	LTM4639
Datasheet	LTM4639 Download
Manufacturer	Linear Technology
Description	20A DC/DC uModule Step-Down Regulator
Buy	Stock & Price

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 Temperature Monitor n Overtemperature Protection n 15mm × 15mm × 4.92mm BGA Package

APPLICATIONS

n Telecom Servers and Networking Equipment n Industrial Equipment n Medical Systems n High Ambient Temperature Systems n 3.3V Input Systems The LTM®4639 is a complete 20A output high efficiency switch mode step-down DC/DC µModule (micromodule) regulator.