5090MTC Datasheet (PDF) Download
Fairchild Semiconductor
5090MTC

Description

The FAN5090 is a synchronous two-phase DC-DC controller IC which provides a highly accurate, programmable output voltage for VRM 9.x processors.

Key Features

  • Programmable output from 1.10V to 1.85V in 25mV steps using an integrated 5-bit DAC
  • Two interleaved synchronous phases for maximum performance
  • 100nsec transient response time
  • Built-in current sharing between phases
  • Remote sense
  • Programmable Active Droop (Voltage Positioning)
  • Programmable switching frequency from 100KHz to 300KHz per phase
  • Adaptive delay gate switching
  • Integrated high-current gate drivers
  • Integrated Power Good, OV, UV, Enable/Soft Start functions

Applications

  • Power supply for Pentium IV Power supply for Athlon VRM for Pentium IV processor Programmable step-down power supply BYPASS 6 23 RT +12V 18 5V Reg UVL O BOOT A 13 +12V