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MIC2208YML

更新时间： 2024-11-21 04:39:59

品牌	Logo	应用领域
麦瑞 - MICREL		稳压器开关输出元件
页数	文件大小	规格书
19页	780K
描述
3mmx3mm 1MHz 3A PWM Buck Regulator

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中文翻译

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MIC2208YML 数据手册

MIC2208

3mmx3mm 1MHz 3A PWM Buck

Regulator

General Description

Features

The Micrel MIC2208 is a high efficiency PWM buck

(step-down) regulator that provides up to 3A of

output current. The MIC2208 operates at 1MHz and

has external compensation that allows a closed loop

bandwidth of over 100KHz.

•

2.7 to 5.5V supply voltage

1MHz PWM mode

Output current to 3A

>90% efficiency

Adjustable output voltage option down to 1V

Ultra-fast transient response

External Compensation

The low on-resistance internal p-channel MOSFET

of the MIC2208 allows efficiencies over 94%,

reduces external component count and eliminates

the need for an expensive current sense resistor.

Stable with a wide range of output

capacitance

The MIC2208 operates from 2.7V to 5.5V input and

the output can be adjusted down to 1V. The devices

can operate with a maximum duty cycle of 100% for

use in low-dropout conditions.

•

Fully integrated 5A MOSFET switch

Micropower shutdown

Thermal shutdown and current limit

protection

The MIC2208 is available in the exposed pad 3mm x

3mm MLF-12L package with a junction operating

range from –40°C to +125°C.

•

Pb-free 3mm x 3mm MLF-10L package

–40°C to +125°C junction temperature range

Internal soft-start

Applications

•

5V or 3.3V Point of Load Conversion

Telecom/Networking Equipment

Set Top Boxes

Storage Equipment

Video Cards

Typical Application

MIC2208

3A 1MHz Buck Regulator

MLF and MicroLeadFrame are trademarks of Amkor Technology

Micrel, Inc • 2180 Fortune Drive • San Jose, Ca 95131 • USA • tel +1 (408) 944-0800 • fax +1 (408) 474-1000 • http://www.micrel.com

M9999-092905

www.micrel.com

September 2005

12 3 4 5 6 7...19

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