DESCRIPTION

The AIC1401 is a high efficiency, PWM stepdown, voltage-mode, switching controller. It is suitable for IA, Notebook, LCD PC and LCD monitor main power applications.

The built-in high voltage CMOS driver drives an external N-channel MOSFET for replacing the higher cost P-channel MOSFET in a standard buck topology.

FEATURES

• Operation Voltage up to 15V

• Voltage-Mode Operation

• Fast Transient Response

• Built In Accurate 1.3V Voltage Reference

• Adjustable Over Current Protection using RDS(ON) No External Current Sense Resistor Required

• Low Shutdown Current

• 200KHz Free-Running Oscillator

• Built in Soft Start.

APPLICATIONS

• Notebook PC

• Advanced PC Mboards

• Information PCs

• Servers and Workstations

• PC Add-On Cards