Datasheet > AAT1106ICB-1.5-T1

AAT1106ICB-1.5-T1

更新时间： 2025-07-25 03:06:07

品牌	Logo	应用领域
ANALOGICTECH		转换器
页数	文件大小	规格书
18页	1028K
描述
600mA Step-Down Converter

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AAT1106

600mA Step-Down Converter

™

SwitchReg

General Description

Features

The AAT1106 SwitchReg™ is a 1.5MHz constant

frequency current mode PWM step-down convert-

er with a unique adaptive slope compensation

scheme allowing the device to operate with a lower

range of inductor values to optimize size and pro-

vide efficient operation. It is ideal for portable

equipment powered by single-cell Lithium-ion bat-

teries and is optimized for high efficiency, achiev-

ing levels up to 96%.

•

_INRange: 2.5V to 5.5V

_OUT: Adjustable 0.6V to V_IN

Up to 600mA Output Current

Up to 96% Efficiency

1.5MHz Switching Frequency

100% Duty Cycle Dropout Operation

Adaptive Slope Compensated Current Mode

Control for Excellent Line and Load Transient

Response

•

<1µA Shutdown Current

The AAT1106 can supply up to 600mA load current

from a 2.5V to 5.5V input voltage and the output

voltage can be regulated as low as 0.6V. The

device also can run at 100% duty cycle for low

dropout operation, extending battery life in portable

systems. In addition, light load operation provides

very low output ripple for noise sensitive applica-

tions and the 1.5MHz switching frequency mini-

mizes the size of external components while keep-

ing switching losses low.

Short-Circuit and Thermal Fault Protection

TSOT23-5 Package

-40°C to +85°C Temperature Range

Applications

•

Cellular Phones, Smartphones

Digital Still Cameras

Digital Video Cameras

The AAT1106 is available in adjustable and fixed

(1.5V, 1.8V) output voltage versions, comes in a

Pb-free, low-profile 5-pin TSOT23 package, and is

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

Microprocessor and DSP Core Supplies

MP3 and Portable Media Players

PDAs

Wireless and DSL Modems

Typical Application

2.2µH

V_IN

V_OUT

1.8V

2.5V to 5.5V

10µF

AAT1106-1.8

4.7µF

OUT

GND

1106.2007.07.1.0

12 3 4 5 6 7...18

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