SC1109EVB Datasheet PDF - Semtech Corporation

DESCRIPTION
The SC1109 was designed for the latest high speed motherboards. It combines a synchronous voltage mode controller (switching section) with two low-dropout linear regulator controllers. The voltage mode controller provides the power supply for the system AGTL bus. The 1.8V and 2.5V linear controllers power the Chipset and
clock circuitry.

FEATURES
·  1.8V, 2.5V linear controllers
·  LDOs track input voltage within 200mV until regulation
·  Integrated drivers
·  Power Good Signal
·  Soft Start
·  Lossless Current Sense

APPLICATIONS
·  Pentium® III Motherboards
·  Triple power supplies