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AAT3244ITP-AA-T1

更新时间： 2024-01-13 05:39:27

品牌	Logo	应用领域
ANALOGICTECH		稳压器电源电路
页数	文件大小	规格书
15页	807K
描述
300mA Adjustable Dual CMOS Low Voltage LDO Linear Regulator

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技术参数
数据手册

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AAT3244ITP-AA-T1 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
Reach Compliance Code：	unknown	风险等级：	5.83
Is Samacsys：	N	峰值回流温度（摄氏度）：	NOT SPECIFIED
调节器类型：	ADJUSTABLE POSITIVE MULTIPLE OUTPUT LDO REGULATOR	处于峰值回流温度下的最长时间：	NOT SPECIFIED
Base Number Matches：	1

AAT3244ITP-AA-T1 数据手册

AAT3244

300mA Adjustable Dual CMOS

Low Voltage LDO Linear Regulator

™

PowerLinear

General Description

Features

The AAT3244 is a dual, low input voltage, low

dropout (LDO) linear regulator with two Power OK

(POK) outputs. Two integrated regulators provide

high power outputs of 300mA from an input voltage

range of 1.8V to 5.5V.

•

Low Input Voltage

— 1.8V to 5.5V

Ultra-Low Adjustable Output Voltage

— 3.6V to 0.6V

High Output Current

— 300mA per LDO

Two POK pins provide open drain signals when

their respective regulator is within regulation. The

AAT3244 has independent voltage inputs and

enable pins for increased design flexibility. The

device features a very low quiescent current (typi-

cally 85µA) and low dropout voltages (200mV at

full load), making it ideal for portable applications

where battery life is critical.

Low Dropout Voltage

— Typ 200mV @ 300mA

Low 85µA Quiescent Current (Both LDOs On)

High Output Accuracy: 1.5ꢀ

Independent Input Supply and Enable Pins

Over-Temperature Protection

12-Pin TSOPJW Package

-40°C to +85°C Temperature Range

•

The AAT3244 is available in a space-saving, Pb-free

12-pin TSOPJW package and is capable of opera-

tion over the -40°C to +85°C temperature range.

Applications

•

Cellular Phones

Digital Cameras

Handheld Instruments

Microprocessor/DSP Core/IO Power

PDAs and Handheld Computers

Typical Application

_IN= 3.6V

V_OUTA= 1.8V

VCC

INA

OUTA

FBA

100kΩ

118kΩ

59kΩ

Enable A

ENA

POKA

OUTB

INB

V_OUTB= 3.3V

2.2μF

267kΩ

C_IN

100kΩ

1μF

POKB

FBB

POKB

Enable B

ENB

2.2μF

59kΩ

GND

3244.2007.08.1.1

12 3 4 5 6 7...15

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