DESCRIPTION
The US3018 controller IC is specifically designed to meet Intel specification for Pentium IIä microprocessor applications as well as the next generation of P6 family processors. The US3018 provides a single chip controller IC for the Vcore , LDO controller for GTL+ and an internal 200mA regulator for clock supply which are required for the Pentium II applications.
FEATURES
■ Provides Single Chip Solution for Vcore, GTL+
& Clock Supply
■ 200 mA On board LDO regulator
■ Designed to meet the latest Intel specification
for Pentium II™
■ On board DAC programs the output voltage
from 1.3V to 3.5V
■ Linear regulator controller on board for 1.5V
GTL+ supply
■ Loss less Short Circuit Protection with HICCUP
■ Synchronous operation allows maximum efficiency
■ Patented architecture allows fixed frequency
operation as well as 100% duty cycle during
dynamic load
■ Soft Start
■ High current totem pole driver for direct
driving of the external Power MOSFET
■ Power Good function Monitors all Outputs
■ OVP Circuitry Protects the Switcher Output and
generates a Fault signal
■ Thermal Shutdown
■ Logic Level Enable Input
APPLICATIONS
■ Total Power Soloution for Pentium II processor
application