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General Description

The AAT3236 is a MicroPower low dropout (LDO) linear regulator designed to deliver a continuous 300mA output load current and is capable of handling short duration current peaks up to 500mA. With a very small footprint SOT23-5 package, it is ideally suited for portable applications where low noise, high power supply ripple rejection (PSRR), extended battery life, and small size are critical.

Features

? 500mA Peak Output Current

? Low Dropout - Typically 300mV at 300mA

? Guaranteed 300mA Output

? High Accuracy: ±1.5

? 100?A Quiescent Current

? High Power Supply Ripple Rejection

— 70dB at 1kHz

— 50dB at 10kHz

? Very Low Self Noise: 45?Vrms

? Noise Reduction Bypass Capacitor

? Short-Circuit Protection

? Over-Temperature Protection

? Shutdown Mode for Longer Battery Life

? Low Temperature Coefficient

? Nine Factory-Programmed Output Voltages

? SOT23 5-Pin or SC70JW 8-Pin Package

Applications

? Cellular Phones

? Notebook Computers

? Personal Portable Electronics

? Portable Communication Devices