IRU3021MCWTR Description

The IRU3021MCWTR controller IC is specifically designed to meet Intel specifications for next-generation microprocessor applications requiring multiple onboard regulators. The IRU3021MCWTR provides a single chip controller IC for the Vcore, three LDO controllers, one with an automatic select pin that connects to the Type Detect pin of the AGP slot for the AGP VDDQ supply, one for GTL+ and the other for the 1.8V chip set regulator as required for the next generation PC applications. 

IRU3021MCWTR 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's latest VRM specification for next-generation microprocessors

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

The patented architecture allows fixed frequency operation as well as a 100% duty cycle during dynamic load

Minimum Part Count

Soft-Start

IRU3021MCWTR Applications

Total Power Solution for next-generation Intel processor application

Communications equipment 

Wireless infrastructure 

Industrial 

Test & Measurement 

Enterprise systems 

Datacenter & enterprise computing