Datasheet > AAT3222IGV-24-T1

AAT3222IGV-24-T1

更新时间： 2022-11-27 07:08:49

品牌	Logo	应用领域
ANALOGICTECH		稳压器
页数	文件大小	规格书
16页	392K
描述
150mA NanoPower⑩ LDO Linear Regulator

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AAT3222IGV-24-T1 数据手册

AAT3221/2

150mA NanoPower™ LDO Linear Regulator

™

PowerLinear

General Description

Features

The AAT3221 and AAT3222 PowerLinear™

NanoPower Low Dropout Linear Regulators are

ideal for portable applications where extended bat-

tery life is critical. This device features extremely

low quiescent current which is typically 1.1µA.

Dropout voltage is also very low, typically less than

200mV at the maximum output current of 150mA.

The AAT3221/2 has an Enable pin feature, which

when asserted will enter the LDO regulator into a

shutdown mode removing power from its load and

offering extended power conservation capabilities

for portable battery powered applications.

•

1.1 µA Quiescent Current

Low Dropout: 200 mV (typical)

Guaranteed 150 mA Output

High accuracy: 2ꢀ

Current limit protection

Over-Temperature protection

Extremely Low power shutdown mode

Low Temperature Coefficient

Factory programmed output voltages

•

1.8V to 3.5V

•

Stable operation with virtually any output

capacitor type

•

Active high or low Enable pin

5-pin SOT23 or 8-pin SC70JW packages

4kV ESD

The AAT3221/2 has output short circuit and over

current protection. In addition, the device also has

an over temperature protection circuit, which will

shutdown the LDO regulator during extended over-

current events. It is available with active high or

active low enable input.

Applications

The AAT3221 and AAT3222 are available in space

saving 5-pin SOT23 packages. The AAT3221 is

also available in the 8-pin SC70JW package. The

device is rated over a -40°C to 85°C temperature

range. Since only a small, 1µF ceramic output

capacitor is recommended, often the only space

used is that occupied by the AAT3221/2 itself. The

AAT3221/2 is truly a compact and cost effective volt-

age conversion solution.

•

Cellular Phones

Notebook Computers

Portable Communication Devices

Handheld Electronics

Remote Controls

Digital Cameras

PDAs

The AAT3221/2 is similar to the AAT3220 with the

exception that it offers further power savings with

its enable pin.

Typical Application

INPUT

OUTPUT

OUT

AAT3221/2

ENABLE

(ENABLE)

(EN)

C_IN

1µF

C_OUT

1µF

GND

3221.2002.03.0.94

12 3 4 5 6 7...16

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