AOZ1020

更新时间： 2024-11-14 12:51:39

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	539K
描述
EZBuckâ¢ 2A Synchronous Buck Regulator

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AOZ1020 数据手册

AOZ1020

EZBuck™ 2A Synchronous Buck Regulator

General Description

Features

The AOZ1020 is a synchronous high efficiency, simple

to use, 2A buck regulator. The AOZ1020 works from a

4.5V to 16V input voltage range, and provides up to 2A

of continuous output current with an output voltage

adjustable down to 0.8V.

● 4.5V to 16V operating input voltage range

● Synchronous rectification: 130mΩ internal high-side

switch and 65mΩ internal low-side switch

● High efficiency: up to 95%

● Internal soft start

The AOZ1020 comes in an SO-8 packages and is rated

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

● Active high power good state

● Output voltage adjustable to 0.8V

● 2A continuous output current

● Fixed 500kHz PWM operation

● Cycle-by-cycle current limit

● Pre-bias start-up

● Short-circuit protection

● Thermal shutdown

● Small size SO-8 packages

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

5V DC

22µF

Ceramic

VIN

PGOOD

L1 4.7µH

VOUT

AOZ1020

COMP

C2, C3

22µF Ceramic

AGND

PGND

Figure 1. 3.3V/2A Buck Regulator

Rev. 1.5 December 2010

www.aosmd.com

Page 1 of 15

12 3 4 5 6 7...15

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