AAT1150IKS-1.0-T1

更新时间： 2024-02-21 01:45:38

品牌	Logo	应用领域
ANALOGICTECH		转换器
页数	文件大小	规格书
16页	280K
描述
1MHz 1A Step-Down DC/DC Converter

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AAT1150

1MHz 1A Step-Down DC/DC Converter

™

SwitchReg

General Description

Features

The AAT1150 SwitchReg™ is a member of

AnalogicTech's Total Power Management IC™

(TPMIC™) product family. The step-down switch-

ing converter is ideal for applications where high

efficiency, small size, and low ripple are critical.

Able to deliver 1A with internal power MOSFETs,

the current-mode controlled IC provides high effi-

ciency using synchronous rectification. Fully inter-

nally compensated, the AAT1150 simplifies system

design and lowers external parts count.

•

V_INRange: 2.7V to 5.5V

Up to 95% Efficiency

110mΩ R_DS(ON)MOSFET Switch

<1.0µA of Shutdown Current

1MHz Switching Frequency

Fixed or Adjustable V_OUT: 1.0V to 4.2V

High Initial Accuracy: ±1%

1.0A Peak Current

Integrated Power Switches

Synchronous Rectification

Internally Compensated Current Mode Control

Constant PWM Mode for Low Output Ripple

Internal Soft Start

The AAT1150 is available in an MSOP-8 package

and is rated over the -40°C to +85°C temperature

range.

Current Limit Protection

Over-Temperature Protection

MSOP-8 package

-40°C to +85°C Temperature Range

Applications

•

Cable/DSL Modems

Computer Peripherals

High Efficiency Conversion From 5V or 3.3V

Supply

•

Network Cards

Set-Top Boxes

Typical Application

INPUT

10µF

AAT1150

4.1µH

ENABLE

VCC

100Ω

0.1µF

OUTPUT

2x 22µF

PGND

SGND

1150.2005.03.1.2

12 3 4 5 6 7...16

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