Description

The SC1166 combines a synchronous voltage mode controller with two low-dropout linear regulators providing most of the circuitry necessary to implement three DC/DC converters for powering advanced microprocessors such as Pentiumfi II .

Features

◆ Synchronous design, enables no heatsink solution

◆ 95 efficiency (switching section)

◆ 5 bit DAC for output programmability

◆ On chip power good function

◆ Designed for Intel Pentiumfi ll requirements

◆ 1.5V, 2.5V linear controllers

◆ 1.265V – 1.75 Reference available

Applications

◆ Pentiumfi ll microprocessor supplies

◆ Flexible motherboards

◆ 1.3V to 3.5V microprocessor supplies

◆ Programmable triple power supplies