Description
The FAN5070 is a synchronous mode DC-DC controller IC which provides a highly accurate, programmable output voltage for 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
• 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
• Meets Intel VRM8.5 specifications using minimum number of external components
• 20 pin SOIC package

APPLICATIONs
• Power supply for Pentium® III Platforms
• VRM for Pentium III processor
• Programmable power supply