Datasheet > AAT1299IJS-3.3-T1

AAT1299IJS-3.3-T1

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
亚德诺 - ADI		转换器
页数	文件大小	规格书
14页	415K
描述
Low Voltage 2MHz Step-Up DC/DC Converter

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AAT1299

Low Voltage 2MHz Step-Up DC/DC Converter

™

SwitchReg

General Description

Features

The AAT1299 is a high efficiency, synchronous,

fixed frequency, step-up converter with start-up

inrush current limit and short-circuit protection. The

input voltage ranges from 1.0V to the output voltage.

•

200mA Output from a 1.8V Input

V_INOperation Range: 1.0V to V_OUT

Up to 93% Efficiency

Low Start-Up Voltage: 1.0V Typical

Internal Synchronous Rectifier

Current Mode Control with Internal Feedback

and Compensation

2MHz Fixed Switching Frequency

1A Current Limit

Maintains High Efficiency Over the Output

Current Range for Improved Battery Life

Low 40µA No Load Bias Current

Short-Circuit and Over-Current Protection

Inrush Current Limit and Soft Start

Low Shutdown Current: <1.0µA

-40°C to +85°C Temperature Range

2.0x2.1mm SC70JW-8 or 2.2x2.2mm 10-pin

STDFN Package or Die

The high 2MHz switching frequency and completely

integrated control circuitry minimize the total solution

footprint area while maintaining excellent regulation,

ripple, and transient response throughout the full

load range.

•

Light load switching frequency modulation and low

quiescent current maintain high efficiency perform-

ance for light load and sleep mode conditions.

•

With a 1A peak switch current limit, the AAT1299 is

capable of delivering 200mA to the load from a

1.8V input.

The AAT1299 is available in a Pb-free, space-sav-

ing 2.0x2.1mm 8-pin SC70JW or 2.2x2.2mm 10-

pin STDFN package, or in die form and is rated

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

Applications

•

Bluetooth™ Headsets

Digital Cameras

Medical Instruments

Mobile Handsets

MP3 and Portable Music Players

Typical Application

V_IN

V_OUT

AAT1299

2.2μH

VCC

OUT

GND

VIN

4.7μF

1299.2007.06.1.0

12 3 4 5 6 7...14

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