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MP2005

更新时间： 2024-10-02 12:06:07
品牌 Logo 应用领域
芯源 - MPS 稳压器
页数 文件大小 规格书
10页 385K
描述
800mA High PSRR, ULDO Linear Regulator

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MP2005 数据手册

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MP2005  
800mA High PSRR, ULDO  
Linear Regulator  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
•
•
•
•
•
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Wide 1.0V to 5.5V Input Voltage Range  
Stable with 1μF Ceramic Capacitor  
Ultra-Low Dropout (ULDO) voltage: 90mV@800mA  
2% Accurate Output Voltage  
Adjustable Output Range of 0.5V to 4V  
High PSRR  
The MP2005 is a micropower, ultra low-dropout  
LDO linear regulator. It has a 1.0V to 5.5V input  
voltage range and can regulate the output  
voltage from as low as 0.5V. The MP2005 can  
supply up to 800mA of load current with a  
typical dropout voltage of 90mV. It requires a  
bias supply (2.7V to 5.5V) separate from VIN to  
run the internal reference and LDO drive  
circuitry. The output current comes directly from  
the input voltage supply for high efficiency  
regulation. The 0.5V internal reference voltage  
allows the output to be programmed to a wide  
range of voltages (0.5V to 4V).  
o 65dB at 1KHz  
o 48dB at 1MHz  
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Better Than 0.0005%/mA Load Regulation  
Stable With Low-ESR Output Capacitors  
Low 100μA Ground Current  
Internal Thermal Protection  
Current Limit Protection  
A low bias current of 100µA makes the MP2005  
ideal for use in battery-powered applications.  
The bias supply VBIAS can be directly applied  
from the battery while VIN is powered from the  
high efficiency buck regulator (or other  
secondary supply). This reduces output noise  
and the size of the decoupling capacitor.  
1µA Typical Quiescent Current at Shutdown  
APPLICATIONS  
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•
•
•
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Low Current Regulators  
Low Power Handheld Devices  
Battery Powered Systems  
Cellular Phones  
Portable Electronic Equipment  
Post Regulation for Switching Power  
Supplies  
Other features of MP2005 include thermal  
overload and current limit protection, stability  
with ultra low ESR ceramic capacitors as low as  
1μF, and fast transient response. The MP2005  
is available in a 8-pin QFN (2mm x 3mm)  
package.  
•
Power Supplies  
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of  
Monolithic Power Systems, Inc.  
TYPICAL APPLICATION  
MP2005 Rev. 0.92  
5/5/2010  
www.MonolithicPower.com  
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.  
© 2010 MPS. All Rights Reserved.  
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