DESCRIPTION
The US3021M controller IC is specifically designed to meet Intel specification for next generation microprocessor applications requiring multiple on board regulators.
FEATURES
■ Provides Single Chip Solution for Vcore,
GTL+ ,AGP Bus, and 1.8V
■ Automatic Voltage Selection for AGP slot
Vddq supply
■ Linear regulator controller on board for 1.8V
■ Designed to meet Intel Latest VRM specification
for next generation micrprocessors
■ 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 for all
outputs
■ Synchronous operation allows maximum
efficiency
■ Patented architecture allows fixed frequency
operation as well as 100% duty cycle during
dynamic load
■ Minimum part count
■ 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 output
APPLICATIONS
■ Total Power Soloution for Next Generation Intel
Processor application