aat3218igv-1.5-t1 Advanced Analogic Technologies, Inc., aat3218igv-1.5-t1 Datasheet

aat3218igv-1.5-t1

Manufacturer Part Number

aat3218igv-1.5-t1

Description

Manufacturer

Advanced Analogic Technologies, Inc.

Datasheet

1.AAT3218IGV-1.5-T1.pdf (18 pages)

Specifications of aat3218igv-1.5-t1

Date_code

05+

Packing_info

SOT-153

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General Description

The AAT3218 MicroPower low dropout linear regula-

tor is ideally suited for portable applications where

very fast transient response, extended battery life,

and small size are critical. The AAT3218 has been

specifically designed for high-speed turn-on and turn-

off performance, fast transient response, and good

power supply ripple rejection (PSRR), and is reason-

ably low noise, making it ideal for powering sensitive

circuits with fast switching requirements.

Other features include low quiescent current, typical-

ly 70µA, and low dropout voltage, typically less than

200mV at the maximum output current level of

150mA. The device is output short-circuit protected

and has a thermal shutdown circuit for additional pro-

tection under extreme operating conditions.

The AAT3218 also features a low-power shutdown

mode for extended battery life. A reference bypass

pin has been provided to improve PSRR perform-

ance and output noise, by connecting a small

external capacitor from device reference output to

ground.

The AAT3218 is available in a Pb-free, space-sav-

ing 5-pin SOT23 or 8-pin SC70JW package in 16

factory-programmed voltages: 1.2V, 1.4V, 1.5V,

1.8V, 1.9V, 2.0V, 2.3V, 2.5V, 2.6V, 2.7V, 2.8V,

2.85V, 2.9V, 3.0V, 3.3V, or 3.5V.

Typical Application

3218.2006.04.1.8

GND

ON/OFF

1μF

150mA MicroPower™ High Performance LDO

AAT3218

GND

Features

•

Applications

•

Low Dropout: 200mV at 150mA

Guaranteed 150mA Output

High Accuracy: ±1.5%

70µA Quiescent Current

Fast Line and Load Transient Response

High-Speed Device Turn-On and Shutdown

High Power Supply Ripple Rejection

Low Self Noise

Short-Circuit and Over-Temperature

Protection

Uses Low Equivalent Series Resistance

(ESR) Ceramic Capacitors

Output Noise Reduction Bypass Capacitor

Shutdown Mode for Longer Battery Life

Low Temperature Coefficient

16 Factory-Programmed Output Voltages

SOT23 5-Pin or SC70JW 8-Pin Package

Bluetooth™ Headsets

Cellular Phones

Digital Cameras

Notebook Computers

Personal Portable Electronics

Portable Communication Devices

OUT

BYP

10nF

PowerLinear

2.2μF

AAT3218

GND

OUT

™

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