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AAT3223IGU-3.3-T1

更新时间： 2024-01-19 22:53:12

品牌	Logo	应用领域
ANALOGICTECH		稳压器电源电路
页数	文件大小	规格书
17页	151K
描述
250mA NanoPower LDO Linear Regulator with Power -OK

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技术参数
数据手册

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AAT3223IGU-3.3-T1 技术参数

是否Rohs认证：	符合	生命周期：	Transferred
包装说明：	,	Reach Compliance Code：	unknown
风险等级：	5.54	湿度敏感等级：	3
Base Number Matches：	1

AAT3223IGU-3.3-T1 数据手册

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AAT3223

250mA NanoPower™ LDO

Linear Regulator with Power-OK

™

PowerLinear

General Description

Features

The AAT3223 PowerLinear NanoPower low

dropout (LDO) linear regulator is ideal for portable

applications where extended battery life is critical.

This device features extremely low quiescent cur-

rent which is typically 1.1µA. Dropout voltage is

also very low, typically 190mV at 100mA. The

AAT3223 has an enable pin feature which, when

pulled low, will put the LDO regulator into shutdown

mode, removing power from its load and offering

extended power conservation capabilities for

•

1.1µA Quiescent Current

250mA Output Current

Low Dropout: 190mV (typical)

High Accuracy: ±2%

Current Limit Protection

Over-Temperature Protection

Extremely Low Power Shutdown Mode

Low Temperature Coefficient

Stable Operation With Virtually Any Output

Capacitor Type

portable battery-powered applications.

The

•

Power-OK Signal Output

Active High Enable Pin

4kV ESD

Factory-Programmed Output Voltages

6-pin SOT23 Package

AAT3223 also has a Power-OK (POK) feature.

The POK function monitors the LDO output voltage

and will alert the system if the output falls out of

regulation.

The AAT3223 has output short-circuit and over-

current protection. In addition, the device has an

over-temperature protection circuit, which will shut

down the LDO regulator during extended over-cur-

rent events.

Applications

•

Cellular Phones

Digital Cameras

The AAT3223 is available in a space-saving 6-pin

SOT23 package and is rated over the -40°C to

+85°C temperature range.

Handheld Electronics

Notebook Computers

PDAs

Portable Communication Devices

Remote Controls

The AAT3223 is similar to the AAT3221 with the

exception that it offers the additional Power-OK

function through the POK pin.

Typical Application

V_IN

OUT

POK

V^OUT

POK

AAT3223

1µF

100k

1µF

ON/OFF

GND

3223.2005.04.1.4

12 3 4 5 6 7...17

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