Datasheet > GRM188R61E105KA12D

GRM188R61E105KA12D

更新时间： 2024-11-04 03:11:11

品牌	Logo	应用领域
美国万代 - AOS		稳压器
页数	文件大小	规格书
4页	201K
描述
EZBuck⑩ 2A Simple Buck Regulator Evaluation Board Note

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GRM188R61E105KA12D 数据手册

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AOZ1019-EVA

EZBuck™ 2A Simple Buck Regulator

Evaluation Board Note

General Description

Features

The AOZ1019 evaluation board is a fully assembled and

tested circuit board built with the AOZ1019 buck regulator

IC. It outputs a preset or adjustable voltage and up to 2A

of continuous current. The evaluation board requires an

input voltage from 4.5V to 16V. The output voltage is

● 4.5V to 16V operating input voltage range

● Output voltage was preset to 3.3V, adjustable down to

0.8V

● 2A continuous output current

● Fixed 500kHz PWM operation

● Internal soft start

preset and can be adjusted from 0.8V to V –0.4V

The AOZ1019-EVA circuit features include; current limit,

short circuit protection, input under voltage lock out,

internal soft start and thermal shut down. It operates at a

ﬁxed 500kHz switching frequency. The current mode

control and integrated internal MOSFET minimize

component count, board area and total cost.

● Cycle-by-cycle current limit

● Short-circuit protection

● Thermal shutdown

Applications

● Point of load DC/DC conversion

● PCIe graphics cards

● Set top boxes

The AOZ1019 comes in an SO-8 package and is rated

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

● DVD drives and HDD

● LCD panels

● Cable modems

● Telecom/networking/datacom equipment

Evaluation Board Schematic

VIN

22µF

1µF

Ceramic

VIN

L1 4.7µH

From µPC

VOUT

+3.3V Output

@2A

AOZ1019

COMP

C2, C3

22µF

Ceramic

AGND

PGND

Figure 1.

Rev. 1.0 October 2007

www.aosmd.com

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