DESCRIPTION
The US3027 controller IC is specifically designed to meet VRM 9.0 specification for next generation microprocessor applications requiring multiple on board regulators .
FEATURES
■ Designed to meet VRM 9.0 specification for
next generation micrprocessors
■ On board 5 bit DAC programs the output
voltage from 1.075V to 1.850V in 25mV steps
■ Linear regulator controller on board for 1.8V
■ 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 1.5V
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
■ AMD K7 Low Cost Solution