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MIC2208YML PDF预览

MIC2208YML

更新时间: 2024-11-06 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

MIC2208YML 数据手册

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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  

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