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LTM4664 Datasheet

LTM4664 Datasheet

54VIN Dual 25A, Single 50A µModule Regulator with Digital Power System Management
Part No.: LTM4664
Page: 140 Pages
Size: 6834 KB
Manufacturer: Linear Technology
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Views: 1
Update Time: 2024-12-06 16:28:46
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LTM4664 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LTM4664EY#PBF Tray 84 LTM4664Y 3 240 -40°C ~ 125°C 240-Lead BGA (16mm x 16mm x 7.72mm)  
LTM4664IY#PBF Tray 84 LTM4664Y 3 240 -40°C ~ 125°C 240-Lead BGA (16mm x 16mm x 7.72mm)  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LTM4664 Datasheet(PDF)

LTM4664 Datasheet(Picture)

LTM4664 Features

  • Complete 48V Input to Low Voltage Dual 25A Supply that Can Scale to 300A
  • Dual Analog Loops with Digital Interface for Compensation, Control and Monitoring
  • Input Voltage Range: 30V to 58V
  • Output Voltage Range: 0.5V to 1.5V
  • ±3% Output Current Readback Accuracy (–20° to 125°C)
  • 88% Efficiency for 48V to 1V at 50A
  • ±0.5% Output Voltage Accuracy Over Temperature
  • 400kHz PMBus-Compliant I2C Serial Interface
  • 16mm × 16mm × 7.72mm BGA Package

LTM4664 Applications

  • 48V Systems
  • Computer and Networking Equipment
  • Electronic Test Equipment
  • Storage Systems

LTM4664 Description

The LTM4664 is a complete non-isolated 48V input high efficiency step-down µModule® regulator with dual 25A outputs. The switching controllers, power MOSFETs, inductors and supporting components are included. Only external capacitors are needed to complete the design. Operating over a 30V to 58V input voltage range, the LTM4664 supports an output voltage of 0.5V to 1.5V at up to 75W. An intermediate output at 25% • VIN is also available. The LTM4664 product video is available on the website.

The LTM4664 dual 25A regulators utilize digitally programmable analog control loops, precision data acquisition circuitry and EEPROM with ECC. The LTM4664’s 2-wire serial interface allows the 25A outputs to be margined, tuned and ramped up and down at programmable slew rates and sequencing delay times. True input current sense, output currents and voltages, input and output power, temperatures, uptime and peak values are all readable. 

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