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AE2576 Datasheet PDF

Chip-Rail AE2576

The AE2576 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving 3A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3V, 5V, 12V, 15V, and an adjustable output version. This feature greatly simplifies the design of switch-mode power supplies.
Part No. AE2576
Datasheet AE2576 Download
Manufacturer
Chip-Rail
Description SIMPLE SWITCHER 3A Step-Down Voltage Regulator
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AE2576 datasheet page 1 preview

FEATURES

3.3V, 5V, 12V, 15V and adjustable output versions Adjustable version output voltage range, 1.23V to 30V ±4% max over line and load conditions Guaranteed 3A output current Input voltage up to 45V Requires only 4 external components 52KHz fixed frequency internal oscillator TTL shutdown capability, low power standby mode High efficiency Thermal shutdown and current limit protection

APPLICATIONS

Simple high-efficiency step-down (buck) regulator Efficient pre-regulator for linear regulators Positive to negative converter (BucK-Boost)

GENERAL DESCRIPTION

Requiring a minimum number of external components, these regulators are simple to use and include internal frequency compensation and a fixed frequency oscillator. A standard series of inductors optimized for use with the AE2576 are available from several different manufacturers. Others features include a guaranteed ±4% tolerance on output voltage within specified input voltages and output load conditions, and ±10% on the oscillator frequency.
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