DESCRIPTION

The SC1185 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 Pentium® 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 Pentium® ll requirements

• 1.5V, 2.5V @ 1 for linear section

• 1.265V ± 1.5 Reference available

APPLICATIONS

• Pentium® ll microprocessor supplies

• Flexible motherboards

• 1.3V to 3.5V microprocessor supplies

• Programmable triple power supplies