DESCRIPTION

The AIC1569A is a high power, high efficiency switching regulator controller optimized for high performance microprocessor applications. It is designed to drive dual N-channel MOSFETs in a standard synchronous buck topology. Featuring a digitally programmable switching regulator, the AIC1569A includes monitoring and protection capabilities in addition to all the essential synchronous PWM control functions.

FEATURES

● Compatible with HIP6004.

● Simple Voltage-Mode PWM Control.

● Dual N-Channel MOSFET Synchronous Drive.

● Fast Transient Response.

● ±1 5-Bit Digital-to-Analog Output Voltage.

● Adjustable Current Limit Without External Sense Resistor.

● Full 0 to 100 Duty Ratio.

● 200KHz Free-Running Oscillator, Programmable up to 350KHz.

● Power-Good Output Voltage Monitor.

APPLICATIONS

● Power Supply for Pentium® II, Power® and Alpha® Microprocessors.

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

● Low-Voltage Distributed Power Supplies.