Description

The RC5061 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 Camino, and provides a complete solution for the Intel Whitney and other high-performance processors. The RC5061 features remote voltage sensing, independently adjustable current limit, and Active Droop for optimal converter transient response. The RC5061 uses a 5-bit D/A converter to program the output voltage from 1.3V to 3.5V.

Features

• Programmable output for Vcore from 1.3V to 3.5V using an integrated 5-bit DAC

• Controls adjustable linears for Vtt (1.5V), and Vclock (2.5V)

• Meets VRM specification with as few as 5 capacitors

• Meets 1.550V +40/-70mV over initial tolerance, temperature and transients

• Remote sense

• Active Droop (Voltage Positioning)

• Drives N-Channel MOSFETs

• Overcurrent protection using MOSFET sensing

• 85 efficiency typical at full load

• Integrated Power Good and Enable/Soft Start functions

• 20 pin SOIC package

Applications

• Power supply for Pentium® III Camino Platform

• Power supply for Pentium III Whitney Platform

• VRM for Pentium III processor

• Programmable multi-output power supply