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LTM4680 Datasheet

LTM4680 Datasheet

Dual 30A or Single 60A µModule Regulator with Digital Power System Management
Part No.: LTM4680
Page: 126 Pages
Size: 17064 KB
Manufacturer: Linear Technology
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Views: 1
Update Time: 2024-11-26 16:10:39
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LTM4680 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LTM4680EY#PBF Tray 84 LTM4680Y 4 144 -40°C ~125°C 144-Lead BGA (16mm x 16mm x 7.82mm)  
LTM4680IY#PBF Tray 84 LTM4680Y 4 144 -40°C ~125°C 144-Lead BGA (16mm x 16mm x 7.82mm)  
LTM4680IY Tray 84 LTM4680Y 4 144 -40°C ~125°C 144-Lead BGA (16mm x 16mm x 7.82mm)  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LTM4680 Datasheet(PDF)

LTM4680 Datasheet(Picture)

LTM4680 Features

  • Dual 30A or Single 60A Digitally Adjustable Analog Loops with Digital Interface for Control and Monitoring
  • Wide Input Voltage Range: 4.5V to 16V
  • Output Voltage Range: 0.5V to 3.3V
  • 90% Full Load Efficiency from 12VIN to 1VOUT at 60A
  • ±0.5% Maximum DC Output Error Over Temperature
  • ±2.5% Current Readback Accuracy (25°C to 125°C)
  • Integrated Input Current Sense Amplifier
  • 400kHz PMBus-Compliant I2C Serial Interface
  • Supports Telemetry Polling Rates up to 125Hz
  • Constant Frequency Current Mode Control
  • Parallel and Current Share Multiple Modules
  • Pin Compatible with LTM4678
  • 16mm × 16mm × 7.82mm BGA Package

LTM4680 Applications

  • System Optimization, Characterization and Data Mining in Prototype, Production and Field Environments

LTM4680 Description

The LTM4680 is a dual 30A or single 60A step-down µModule® (power module) DC/DC regulator featuring remote configurability and telemetry-monitoring of power management parameters over PMBus—an open standard I2C-based digital interface protocol. The LTM4680 is comprised of digitally programmable analog control loops, precision mixed-signal circuitry, EEPROM, power MOSFETs, inductors and supporting components.

The LTM4680’s 2-wire serial interface allows outputs to be margined, tuned and ramped up and down at programmable slew rates with sequencing delay times. True input current sense, output currents and voltages, output power, temperatures, uptime and peak values are readable. Custom configuration of the EEPROM contents is not required. At start-up, output voltages, switching frequency, and channel phase angle assignments can be set by pin-strapping resistors. The LTpowerPlay® GUI and DC1613 USB-to-PMBus converter and demo kits are available.

The LTM4680 is offered in a 16mm × 16mm × 7.82mm BGA package available with SnPb or RoHS compliant terminal finish. Pin compatible with LTM4678.

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