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Step-Down Switching Regulator Controller

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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.

DESCRIPTION
The AIC1579 is a high-power, high-efficiency voltage-mode switching regulator controller for
motherboard VI/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.

Originally posted in cdnusers.org by Cristinalee

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