MIC5255-2.8BML-TR

Current - Output:	150mA
Base Part Number:	MIC5255
Supplier Device Package:	6-MLF® (2x2)
Package / Case:	6-VDFN Exposed Pad, 6-MLF®
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Under Voltage Lockout (UVLO)
Control Features:	Enable
PSRR:	60dB ~ 50dB (10Hz ~ 10kHz)
Current - Quiescent (Iq):	150µA
Series:	--
Voltage Dropout (Max):	0.25V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.8V
Voltage - Input (Max):	6V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Discontinued at Digi-Key
Packaging:	Tape & Reel (TR)

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Introduction to MIC5255-2.8BML-TR

The MIC5255-2.8BML-TR is a high-performance low-dropout linear regulator (LDO) with a wide input voltage range. The device is designed to deliver ultra-low-noise output voltage and provide high power output current. It features a low operating current, low quiescent current, and low output voltage ripple, making it an excellent choice for powering sensitive analog circuitry in a range of applications.

Features and Benefits

The MIC5255-2.8BML-TR has a host of features and benefits which make it an ideal choice for a wide range of applications. One of the most beneficial features is its ability to operate in a wide input voltage range, from 2.5 V to 40 V. This broad range allows the device to be used in a variety of applications, such as local power supply regulation, or remote high-efficiency distributed power systems.In addition, the MIC5255-2.8BML-TR has excellent power efficiency, thanks to its low quiescent current, low operating current, and low output ripple. This translates to low power losses in the system, enabling the regulator to deliver clean and stable power even in harsh environments.The device also features short circuit protection and thermal shutdown, ensuring reliable and safe operation. The MIC5255-2.8BML-TR also has two enable pins for remote shutdown and reset, allowing for a wide range of control options.

Applications

The MIC5255-2.8BML-TR can be used in a wide range of applications, including local power supply regulation, remote or distributed power systems, and precision instrumentation. It is also suitable for use in battery-powered devices, where it can ensure low power losses while providing reliable power.The device is an excellent choice for applications which require high-precision and ultra-low-noise output voltage. Its low output ripple and low operating/quiescent current makes it ideal for powering sensitive analog circuitry such as A/D converters, FPGA cores, or other precision sensors or instruments.

Working Principle

The MIC5255-2.8BML-TR is a linear LDO regulator, which means it operates by converting a higher input voltage to a lower output voltage. The device features an on-board error amplifier, which is used to compare the output voltage to a feedback resistor network.When the output voltage falls below the desired level, the error amplifier increases the output current, thereby increasing the output voltage. Similarly, when the output voltage exceeds the desired value, the error amplifier decreases the output current, subsequently lowering the output voltage.The device also features a low-impedance N-channel MOSFET output transistor, which is used to regulate the output current. The transistor also minimizes inaccuracies and provides a low impedance path between the input and output lines.In addition, the device has two enable pins which can be used to manually or remotely shut down or reset the device. It also has a wide input voltage range, allowing it to be used in diverse conditions and applications.

Conclusion

The MIC5255-2.8BML-TR is an excellent choice for a range of applications, including local power supply regulation, remote or distributed power systems, and precision instrumentation. Its low operating and quiescent current, as well as its low output ripple, make it an excellent choice for powering sensitive analog circuitry. In addition, its two enable pins allow for easy remote shutdown and reset, making it an ideal choice for a variety of applications.

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