General Description
The RT9230 is a 4-in-one power controller optimized for high-performance microprocessor and computer applications. The IC integrates two PWM controller, two linear controllers as well as monitoring and protection functions into a 28-pin SOP package.

FEATUREs
• 4-in-one Regulated Voltages for Microprocessor Core, AGP Bus, North/South Bridge and/or Cache Memory, GTL Bus Power
• Compatible with HIP6020
• Power-good Output Voltage Monitor

Switching section
• 5-bit DAC Programmable from 1.3V to 3.5V
• ±1% DAC Accuracy
• Fast Transient Response
• Full 0% to 100% Duty Cycle Driver
• Fixed 200kHz Switching Frequency
• Adaptive Non-overlapping Gate Driver
• Over-current Monitor Uses MOSFET RDS(ON)
• Over-voltage Protection Uses Lower MOSFET

Linear Section
• Fixed Linear Regulator Output Voltage
• MOSFET or NPN Driving Capability
• Ultra Fast Response Speed
• Under-voltage Protection
• Internal Thermal Shutdown

APPLICATIONs
• Full Motherboard Power Regulation for Computer
• Low-voltage Distributed Power Supplies