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MP2040DU-LF

更新时间： 2024-02-19 20:51:45

品牌	Logo	应用领域
芯源 - MPS		稳压器
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MP2040DU-LF 数据手册

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: 80µV_RMS(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

VIN

OUT

1.2V/3A

VOUT

MP2040

BIAS

10nF

PGOOD

GND

1nF

MP2040 Rev.1.0

9/21/2010

www.MonolithicPower.com

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

12 3 4 5 6 7...12

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