IR38063M

Overview

Highly Integrated 25A Single-input Voltage, Synchronous Buck Regulator with PMBus Interface.

Benefits

  • Internal LDO allows single 21V operation
  • Output Voltage Range: 0.5V to 0.875*PVin
  • 0.5% accurate Reference Voltage
  • Programmable Switching Frequency up to 1.5MHz using Rt/Sync pin or PMBus
  • Internal Soft-Start with Pre-Bias Start-up
  • Enable input with Voltage Monitoring Capability
  • Remote Sense Amplifier with True Differential Voltage Sensing
  • Fast mode I2C and 400 kHz PMBus interface
  • Sequencing and tracking capable
  • Selectable analog mode or digital mode
  • 66 PMBus commands for configuration, control, fault protection and telemetry
  • Thermally compensated current limit with configurable overcurrent responses
  • Optional light load efficiency mode
  • External synchronization with Smooth Clocking
  • Dedicated output voltage sensing protection which remains active even when Enable is low
  • Integrated MOSFETs and Bootstrap diode
  • Operating junction temp: -40oC
  • Small Size 5mmx7mm PQFN
  • Pb-Free (RoHS Compliant)

Potential Applications

  • DC-DC
  • Desktop and Workstations
  • Graphic Boards
  • Netcom and Telecom
  • Point of Load
  • Servers and Storage
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