
Analog Intergrations
DESCRIPTION
The AIC1579 is a high-power, high-efficiency voltage-mode switching regulator controller for motherboard V I/O power supply applications. Designed to drive an N-channel MOSFET in a standard buck topology, the AIC1579 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.
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.