DESCRIPTION

The AIC1580 is a high-power, high-efficiency voltage-mode switching regulator controller for motherboard VI/O power supply applications. Designed to drive a N-channel MOSFET in a standard buck topology, the AIC1580 features a high voltage CMOS output driver, short-circuit protection, and 8-pin package.

FEATURES

● Operation Voltage up to 15V.

● Simple Voltage-Mode PWM Control.

● Fast Transient Response.

● 2V and 1.3V ± 2 Feedback Voltage Reference Option.

● Adjustable Current Limit without External Sense Resistors.

● 200KHz Free-Running Oscillator.

● Short-Circuit Protection with Low Short Circuit Output Current.

● Low Shutdown Current

● Built-in Soft Start.

APPLICATIONS

● Power Supply for Motherboard VGTL (1.5V Output)

● Power Supply for Motherboard VI/O.

● High-Power 5V to 3.xV DC/DC Regulators.

● Low-Voltage Distributed Power Supplies.