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MIC47100YMME PDF预览

MIC47100YMME

更新时间: 2024-10-28 03:11:35
品牌 Logo 应用领域
麦瑞 - MICREL 调节器光电二极管输出元件
页数 文件大小 规格书
13页 805K
描述
1A High Speed Low VIN LDO

MIC47100YMME 数据手册

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MIC47100  
1A High Speed Low VIN LDO  
General Description  
Features  
The MIC47100 is a high speed, Low VIN LDO capable of  
delivering up to 1A and designed to take advantage of  
point of load applications that use multiple supply rails to  
generate a low voltage, high current power supply. The  
MIC47100 is stable with only a 1µF ceramic output  
capacitor and is available in a thermally enhanced  
2mm × 2mm MLF® package thus making it an optimal  
solution for board-constrained applications.  
Operating voltage range:  
- Input Supply: 1.0V to 3.6V  
- Bias Supply: 2.3V to 5.5V  
0.8V to 2.0V output voltage range  
High bandwidth – very fast transient response  
PSRR >50dB at 100kHz  
Stable with a 1µF ceramic output capacitor  
Low dropout voltage of 80mV at 1A  
High output voltage accuracy:  
- +/- 1.5% initial accuracy  
The MIC47100 has an NMOS output stage offering very  
low output impedance. The NMOS output stage offers a  
unique ability to respond very quickly to sudden load  
changes such as that required by a microprocessor, DSP  
- +/- 2% over temperature  
or FPGA.  
The MIC47100 consumes little quiescent  
current and therefore can be used for driving the core  
voltages of mobile processors, post regulating a core  
DC/DC converter in any portable device.  
Logic level enable input  
UVLO on both supply voltages for easy turn-on  
ePad MSOP-8 – small form factor power package  
The MIC47100 is available in fixed and adjustable output  
voltages in the exposed pad MSOP-8 package and the tiny  
2mm × 2mm MLF® package with an operating junction  
temperature range of -40°C to +125°C.  
Thermally enhanced 2mm × 2mm MLF® – smallest  
solution  
Applications:  
Data sheets and support documentation can be found on  
Micrel’s web site at: www.micrel.com.  
Point of Load  
PDAs  
DSP, PLD and FPGA Power Supply  
Low Voltage Post Regulation  
___________________________________________________________________________________________________________  
Typical Application  
MicroLead Frame and MLF are registered trademark 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  
M9999-022108-A  
(408) 944-0800  
February 2008  

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