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MP2040

更新时间： 2024-11-21 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
12页 383K
描述
Fast Transient Response, 3A Dual Supply Very Low Dropout Linear Regulator

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MP2040 数据手册

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MP2040  
Fast Transient Response, 3A Dual Supply  
Very Low Dropout Linear Regulator  
The Future of Analog IC Technology  
DESCRIPTION  
FEATURES  
•
•
•
•
•
•
•
•
Wide 1.1V to 5V Input Voltage Range  
Stable with Very Small Ceramic Capacitors  
150mV Dropout at 3A Output  
2% Accurate Output Voltage  
Adjustable Output Range of 0.9V to 3.3V  
Low Noise: 80µVRMS (10Hz to 100kHz)  
Very fast transient response  
PSRR  
The MP2040 is a very low dropout, dual supply  
linear regulator. The use of two supplies allows  
the BIAS to control an NMOS device. The  
NMOS device supplies power to the load via  
the IN. In this way the input supply can be just  
above the desired output, yet still provide very  
good regulation performance due to the higher  
bias supply. The BIAS operates from a 3.3V to  
5.5V input and regulates the output voltage to  
as low as 0.9V, and as high as 3.3V.  
o 40dB at 100kHz  
•
•
•
•
•
Better Than 0.001%/mA Load Regulation  
Stable With Low-ESR Output Capacitors  
Internal Thermal Protection  
Current Limit Protection  
0.1µA Typical Quiescent Current at  
Shutdown  
The MP2040 can supply up to 3A of load  
current with a typical dropout voltage of 150mV.  
The BIAS runs the internal reference and drive  
circuitry, while the output current comes directly  
from the IN for high efficiency regulation.  
•
Power Good Indicator  
Other features of MP2040 include thermal  
overload and current limit protection, power  
good indicator, stability with ultra low ESR  
ceramic capacitors as low as 1uF, and fast  
transient response. The MP2040 is available in  
10-pin QFN (3mm x 3mm), and in QFN (5mm x  
5mm) packages.  
APPLICATIONS  
•
•
•
•
Industrial Process & Control Equipment  
Telecom Equipment  
PAID Storage  
DSP/ASIC/µC Post Regulation for Switching  
Power Supplies  
“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of  
Monolithic Power Systems, Inc.  
TYPICAL APPLICATION  
U1  
10  
9
1
VIN  
IN  
IN  
OUT  
OUT  
1.2V/3A  
VOUT  
2
3
MP2040  
8
BIAS  
FB  
BIAS  
C6  
10nF  
EN  
4
7
6
EN  
BP  
PGOOD  
GND  
PG  
5
GND  
C8  
1nF  
MP2040 Rev.1.0  
9/21/2010  
www.MonolithicPower.com  
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.  
© 2010 MPS. All Rights Reserved.  
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