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AOZ1057AI

更新时间： 2024-11-14 12:51:27

品牌	Logo	应用领域
美国万代 - AOS		稳压器
页数	文件大小	规格书
15页	708K
描述
EZBuckâ¢ 3A Simple Buck Regulator

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AOZ1057AI 数据手册

AOZ1057

EZBuck™ 3A Simple Buck Regulator

General Description

Features

The AOZ1057 is a high efficiency, simple to use, 3A buck

regulator. The AOZ1057 works from a 4.5V to 16V input

voltage range, and provides up to 3A of continuous

output current with an output voltage adjustable down

to 0.8V.

● 4.5V to 16V operating input voltage range

● 40mΩ internal PFET switch for high efficiency:

up to 95%

● Externally soft start

● Output voltage adjustable to 0.8V

● 3A continuous output current

● Fixed 340kHz PWM operation

● Cycle-by-cycle current limit

● Short-circuit protection

The AOZ1057 comes in an SO-8 package and is rated

over a -40°C to +85°C ambient temperature range.

● Output over voltage protection

● Thermal shutdown

● Small size SO-8 package

Applications

● Point of load DC/DC conversion

● PCIe graphics cards

● Set top boxes

● DVD drives and HDD

● LCD panels

● Cable modems

● Telecom/networking/datacom equipment

Typical Application

VIN

22µF Ceramic

Css

82nF

VIN

VOUT

6.8µH

3.3V

AOZ1057

COMP

C2, C3

R_C

C_C

22µF Ceramic

AGND

PGND

Figure 1. 3.3V/3A Buck Regulator

Rev. 1.3 November 2009

www.aosmd.com

Page 1 of 15

12 3 4 5 6 7...15

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