Datasheet > AAT2514IDE-AA-T1

AAT2514IDE-AA-T1

更新时间： 2024-01-31 03:22:39

品牌	Logo	应用领域
ANALOGICTECH		转换器
页数	文件大小	规格书
16页	307K
描述
Dual Channel 600mA Step-Down Converter

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AAT2514IDE-AA-T1 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.8
模拟集成电路 - 其他类型：	SWITCHING REGULATOR	Base Number Matches：	1

AAT2514IDE-AA-T1 数据手册

AAT2514

Dual Channel 600mA Step-Down Converter

™

SwitchReg

General Description

Features

The AAT2514 SwitchReg™ is a dual channel cur-

rent mode PWM DC-DC step-down converter oper-

ating at 1.5MHz constant frequency. The device is

ideal for portable equipment requiring two separate

power supplies that need high current up to 600mA.

The device operates from single-cell Lithium-ion

batteries while still achieving over 96% efficiency.

The AAT2514 also can run at 100% duty cycle for

low dropout operation, extending battery life in

portable systems while light load operation provides

very low output ripple for noise sensitive applica-

tions.

•

V_INRange:2.5V to 5.5V

Up to 600mA Output Current

High Efficiency: Up to 96%

1.5MHz Constant Frequency Operation

100% Duty Cycle Dropout Operation

Low R_DS(ON)Internal Switches: 0.35Ω

Current Mode Operation for Excellent Line

and Load Transient Response

Adaptive Slope Compensation

Soft Start

•

Short-Circuit and Thermal Fault Protection

<1µA Shutdown Current

Power-On Reset Output

The device has a unique adaptive slope compen-

sation scheme that makes it possible to operate

with a lower range of inductor values to optimize

size and provide efficient operation. The 1.5MHz

switching frequency minimizes the size of external

components while keeping switching losses low.

The AAT2514 can operate from a 2.5V to 5.5V

input voltage and can supply up to 600mA output

current for each channel.

Small, Thermally Enhanced TDFN33 -10

Package

•

-40°C to +85°C Temperature Range

Applications

•

Cellular Telephones

Digital Still Cameras

PDAs

Portable Media Players

Wireless and DSL Modems

The AAT2514 is available in a Pb-free 3 x 3mm 10-

lead TDFN package and operates over the -40°C

to +85°C temperature range.

Typical Application

100kΩ

EN1

10µF

EN2

RESET

L1 2.2µH

POR

V_IN2.5V to 5.5V

AAT2514

L2 2.2µH

V_OUT11.8V

V_OUT22.5V

LX 2

LX1

FB2

FB1

10µF

GND

1MΩ

634kΩ

316kΩ

2514.2007.06.1.0

12 3 4 5 6 7...16

中文翻译

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