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DESCRIPTION

The US3018 controller IC is specifically designed to meet Intel specification for Pentium II? 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