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FAN5071 - High Performance Programmable Synchronous DC-DC Controller

Datasheet Summary

Description

The FAN5071 is a synchronous mode DC-DC controller IC which provides a highly accurate, programmable set of output voltages for multi-voltage platforms such as the Intel Pentium III, and provides a complete solution for all Intel VRM8.5 CPU applications, and for other high-performance processors.

Features

  • Output programmable in 25mV steps from 1.05V to 1.825V using a dynamically programmable integrated 5-bit DAC.
  • Controls adjustable linears for Vclock (2.5V), Vnorthbridge (1.8V) or Vagp (selectable 1.5V/3.3V), and Vadj (1.2V nominal).
  • Remote sense.
  • Programmable Active Droop™ up to 200mV.
  • Drives N-Channel MOSFETs.
  • Overcurrent protection using MOSFET sensing.
  • Overvoltage protection including startup.
  • 85% efficiency typical at f.

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Datasheet preview – FAN5071

Datasheet Details

Part number FAN5071
Manufacturer Fairchild Semiconductor
File Size 424.93 KB
Description High Performance Programmable Synchronous DC-DC Controller
Datasheet download datasheet FAN5071 Datasheet
Additional preview pages of the FAN5071 datasheet.

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Full PDF Text Transcription

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www.fairchildsemi.com FAN5071 High Performance Programmable Synchronous DC-DC Controller for Multi-Voltage Platforms Features • Output programmable in 25mV steps from 1.05V to 1.825V using a dynamically programmable integrated 5-bit DAC • Controls adjustable linears for Vclock (2.5V), Vnorthbridge (1.8V) or Vagp (selectable 1.5V/3.3V), and Vadj (1.2V nominal) • Remote sense • Programmable Active Droop™ up to 200mV • Drives N-Channel MOSFETs • Overcurrent protection using MOSFET sensing • Overvoltage protection including startup • 85% efficiency typical at full load • Integrated Power Good and Enable/Soft Start functions • Linears start instantly • Meets Intel VRM8.
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