54V, 135A DC/DC μModule Regulator with PMBus Interface

The LTP™8800-2 is a 135A step-down μModule® (micromodule) regulator that provides microprocessor core voltage from a 54V power distribution architecture. It features remote configurability and telemetry monitoring of power management parameters over PMBus, an open standard I2C-based digital interface protocol.

The LTP8800-2 comprises a programmable digital control system with precision mixed-signal circuitry, EEPROM, power MOSFETs, planar transformer, inductors, and supporting components. Its high level of integration minimizes component count and design time and maximizes flexibility and power density.

The LTP8800-2 preserves high efficiency at high conversion ratios by utilizing a quasi-resonant architecture that reduces high voltage switching losses.

The LTP8800-2 is available in a 22mm × 24mm × 6.7mm surface-mounted open frame package.

Applications

* High Current Distributed Power Systems

* Servers, Network, and Storage Equipment

* Intelligent Energy Efficient Power Regulation

* High Efficiency at High Frequency

* Up to 89% Efficiency at 700kHz, 54VIN to 0.75VOUT

* 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