AAT1150IKS-2.5-T1 Datasheet

IC型號(hào)：
AAT1150IKS-2.5-T1
PDF描述：
1MHz 1A Step-Down DC/DC Converter
文件大小：
280.07KB
PDF頁(yè)數(shù)：
16頁(yè)
芯片廠家：
ANALOGICTECH

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AAT1150

1MHz 1A Step-Down DC/DC Converter

General Description

The AAT1150 SwitchReg鈩?is a member of

AnalogicTech's Total Power Management IC鈩?/div>

(TPMIC鈩? 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.

The AAT1150 is available in an MSOP-8 package

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

range.

Features

鈥?/div>

SwitchReg

鈩?/div>

Range: 2.7V to 5.5V

Up to 95% Efficiency

110m鈩?R

DS(ON)

MOSFET Switch

<1.0碌A(chǔ) of Shutdown Current

1MHz Switching Frequency

Fixed or Adjustable V

OUT

: 1.0V to 4.2V

High Initial Accuracy: 鹵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

Current Limit Protection

Over-Temperature Protection

MSOP-8 package

-40擄C to +85擄C Temperature Range

Applications

鈥?/div>

Cable/DSL Modems

Computer Peripherals

High Efficiency Conversion From 5V or 3.3V

Supply

Network Cards

Set-Top Boxes

Typical Application

INPUT

10碌F

AAT1150

4.1碌H

ENABLE

100鈩?/div>

VCC

OUTPUT

SGND

0.1碌F

PGND

2x 22碌F

1150.2005.03.1.2

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AAT1150IKS-2.5-T1 Datasheet

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