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AIC1571

Analog Intergrations Corporation
Part Number AIC1571
Manufacturer Analog Intergrations Corporation
Description 5-bit DAC/ Synchronous PWM Power Regulator with Dual Linear Controllers
Published Mar 23, 2005
Detailed Description AIC1571 5-bit DAC, Synchronous PWM Power Regulator with Dual Linear Controllers FEATURES Provides 3 Regulated Voltages f...
Datasheet PDF File AIC1571 PDF File

AIC1571
AIC1571

Overview
AIC1571 5-bit DAC, Synchronous PWM Power Regulator with Dual Linear Controllers FEATURES Provides 3 Regulated Voltages for Microprocessor Core, Clock and GTL Power.
Simple Voltage-Mode PWM Control.
Dual N-Channel MOSFET Synchronous Driver.
Operates from +3.
3V, +5V and +12V Inputs.
Fast Transient Response.
Full 0% to 100% Duty Ratios.
±1.
0% Output Voltage for VCORE and ±2.
0% Output Voltage Reference for VCLK and VGTL.
TTL Compatible 5-bit Digital-to-Analog Core Output Voltage Selection.
Range from 1.
3V to 3.
5V.
0.
1V Steps from 2.
1V to 3.
5V.
0.
05V Steps from 1.
3V to 2.
05V.
Adjustable Current Limit without External Sense Resistor.
Microprocessor Core Voltage Protection against Shorted MOSFET.
Power Good Output Voltage Monitor.
Over-Voltage and Over-Current Fault Monitors.
200KHz Free-Running Oscillator Programmable up to 350KHz.
DESCRIPTION The AIC1571 combines a synchronous voltage mode controller with two linear controllers as well as the monitoring and protection functions in this chi...


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