Document
Data Sheet No. PD94140
IRU3004
5-BIT PROGRAMMABLE SYNCHRONOUS BUCK CONTROLLER IC WITH DUAL LDO CONTROLLER
FEATURES
Meets latest VRM 8.4 specification for PentiumIII Provides single chip solution for Vcore, GTL+ and clock supply On-Board DAC programs the output voltage from 1.3V to 3.5V. The IRU3004 remains on for VID code of (11111) Dual linear regulator controller on-board for 1.5V GTL+ and 2.5V clock supplies Loss-less Short Circuit Protection Synchronous operation allows maximum efficiency Patented architecture allows fixed frequency operation as well as 100% duty cycle during dynamic load Minimum Part Count, No External Compensation Soft-Start Function High current totem pole driver for direct driving of the external power MOSFET Power Good Function
APPLICATIONS
Pentium III & next generation processor DC to DC converter application Low Cost Pentium with AGP
DESCRIPTION
The IRU3004 controller IC is specifically designed to meet Intel specifications for Pentium IIIā¢ microprocess.