LTP8800-1A

RECOMMENDED FOR NEW DESIGNS

150A DC/DC μModule Regulator with PMBus Interface

Data Sheet (Rev. D) Product Selection Table
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Overview

  • High Efficiency at High Frequency
    • Up to 87.0% Efficiency at 1 MHz, 54 VIN to 0.8 VOUT
  • PMBus-Compliant I2C Serial Interface
    • Monitor Voltage, Current, Temperature and Faults
    • Internal EEPROM Fault Log Record
    • Digitally Programmable Control Loop
    • Program Voltage, Current Limits, Soft-Start/Soft-Stop, Frequency, Synchronization and Phasing, Power-Good, Warnings and Faults
  • Wide Input Voltage Range: 45 V to 65 V
  • Output Voltage Range: 0.5 V to 1.1 V
  • Optimized for 45 V to 65 VIN to 0.8 VOUT
  • ±0.5% Maximum DC Output Error with Differential Remote Voltage Sense
  • ±3% Current Readback Accuracy
  • Parallel and Current Share Multiple μModule® ICs
  • 22 mm × 24 mm × 6.7 mm Surface Mount Package
LTP8800-1A
150A DC/DC μModule Regulator with PMBus Interface
LTP8800-1A Application Circuit LTP8800-1A Performance Graph LTP8800-1A Pin Configuration
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Documentation

Data Sheet 1

User Guide 2

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Software Resources

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Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

  • LTP8800-1A
  • LTP8800-2
  • LTP8800-4A

LTpowerCAD 1

Design tools for the following parts are available in LTpowerCAD:

  • LTP8800-1A
  • LTP8800-2
  • LTP8800-4A

LTpowerPlay®

LTpowerPlay® is a powerful, Windows-based development environment supporting Linear Technology's Digital Power System Management (PSM) products.

Open Tool
LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

LTpowerCAD

LTpowerCAD® is a power supply design program which selects power stage components, provides detailed power efficiency, shows quick loop Bode plot stability and load transient analysis, and can export to LTspice for simulation.

Evaluation Kits

eval board
schematic 1
schematic 2
schematic 3
DC3190A-A

LTP8800-1A | 54V Input, High Current DC/DC Power μModule with PMBus Interface

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Product Details

Demonstration circuit 3190A-A is a high current, high density, high efficiency open-frame μModule® regulator with 45V to 65V input range. The demo board has a LTP8800-1A μModule regulator which provides microprocessor 0.75V voltage from 54V power distribution architecture with digital power system management. The maximum output current for the demo board is 150A. Please see LTP8800-1A data sheet for more detailed information.

DC3190A-A powers up to default settings and produces power based on configuration resistors without the need for any serial bus communication. This allows easy evaluation of the DC/DC converter. To fully explore the extensive power system management features of the part, download the GUI software LTpowerPlay® onto your PC and use ADI’s I2C/SMBus/PMBus dongle DC1613A to connect to the board. LTpowerPlay allows the user to reconfigure the part on-the-fly and store the configuration in EEPROM, view telemetry of voltage, current, temperature and fault status.

GUI Download

The software can be downloaded from: LTpowerPlay 

For more details and instructions of LTpowerPlay, please refer to LTpowerPlay GUI for LTP8800-1A Quick Start Guide.
DC3190A-A
LTP8800-1A | 54V Input, High Current DC/DC Power μModule with PMBus Interface
DC3190A-A Evaluation Board DC3190A-A Evaluation Board - Top View DC3190A-A Evaluation Board - Bottom View

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