ISL6523A TM Data Sheet February 2002 FN9063 VRM8.
5 Dual PWM and Dual Linear Power System Controller The ISL6523A provides the power control and protection for four output voltages in high-performance microprocessor and computer applications.
The IC integrates two PWM controllers and two linear controllers, as well as the monitoring and protection functions into a 28-pin SOIC package.
One PWM controller regulates the microprocessor core voltage with a synchronous-rectified buck converter.
The second PWM controller supplies the computer system’s AGTL+ 1.
2V bus power with a standard buck converter.
The linear controllers regulate power for the 1.
5V AGP bus and the 1.
8V power for the chipset...

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