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AAT2554IRN-CAP-T1

更新时间： 2024-01-18 07:19:30

品牌	Logo	应用领域
ANALOGICTECH		电源电路电源管理电路便携式
页数	文件大小	规格书
33页	880K
描述
Total Power Solution for Portable Applications

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AAT2554IRN-CAP-T1 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.84
模拟集成电路 - 其他类型：	POWER SUPPLY SUPPORT CIRCUIT	JESD-30 代码：	R-PDSO-N16
端子数量：	16	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	SON	封装等效代码：	SOLCC16,.12,18
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
电源：	3.6 V	认证状态：	Not Qualified
子类别：	Power Management Circuits	标称供电电压 (Vsup)：	3.6 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子形式：	NO LEAD	端子节距：	0.45 mm
端子位置：	DUAL	Base Number Matches：	1

AAT2554IRN-CAP-T1 数据手册

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AAT2554

Total Power Solution for Portable Applications

™

SystemPower

General Description

Features

The AAT2554 is a fully integrated 500mA battery

charger, a 250mA step-down converter, and a

300mA low dropout (LDO) linear regulator. The

input voltage range is 4V to 6.5V for the battery

charger and 2.7V to 5.5V for the step-down con-

verter and linear regulator, making it ideal for

applications operating with single-cell lithium-

ion/polymer batteries.

•

Battery Charger:

— Input Voltage Range: 4V to 6.5V

— Programmable Charging Current up to

500mA

— Highly Integrated Battery Charger

•

Charging Device

Reverse Blocking Diode

•

Step-Down Converter:

— Input Voltage Range: 2.7V to 5.5V

— Output Voltage Range: 0.6V to V_IN

— 250mA Output Current

The battery charger is a complete constant cur-

rent/constant voltage linear charger. It offers an

integrated pass device, reverse blocking protec-

tion, high accuracy current and voltage regulation,

charge status, and charge termination. The charg-

ing current is programmable via external resistor

from 15mA to 500mA. In addition to these stan-

dard features, the device offers over-voltage, cur-

rent limit, and thermal protection.

— Up to 96% Efficiency

— 30µA Quiescent Current

— 1.5MHz Switching Frequency

— 100µs Start-Up Time

Linear Regulator:

— 300mA Output Current

— Low Dropout: 400mV at 300mA

— Fast Line and Load Transient Response

— High Accuracy: ±1.5%

— 70µA Quiescent Current

Short-Circuit, Over-Temperature, and Current

Limit Protection

•

The step-down converter is a highly integrated

converter operating at a 1.5MHz switching fre-

quency, minimizing the size of external compo-

nents while keeping switching losses low. It has

independent input and enable pins. The output

voltage ranges from 0.6V to the input voltage.

•

TDFN34-16 Package

-40°C to +85°C Temperature Range

The AAT2554 linear regulator is designed for fast

transient response and good power supply ripple

rejection. Designed for 300mA of load current,

it includes short-circuit protection and thermal

shutdown.

Applications

The AAT2554 is available in a Pb-free, thermally-

enhanced TDFN34-16 package and is rated over

the -40°C to +85°C temperature range.

•

Bluetooth^®Headsets

Cellular Phones

Handheld Instruments

MP3 and Portable Music Players

PDAs and Handheld Computers

Portable Media Players

Typical Application

Adapter/USB Input

VINB

ADP

ENB

STAT

VINA

EN_BAT

Enable

ENA

V_OUTB

L= 3.0µH

AAT2554

BATT+

BATT-

BAT

R_FB1

R_FB2

C_OUTB

C_OUT

V_OUTA

OUTA

ISET

R_SET

C_OUTA

GND

Battery

Pack

2554.2007.01.1.2

12 3 4 5 6 7...33

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