MIC5255-2.9BD5-TR

Current - Output:	150mA
Base Part Number:	MIC5255
Supplier Device Package:	TSOT-23-5
Package / Case:	SOT-23-5 Thin, TSOT-23-5
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):	2.9V
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 MIC5255-2.9BD5-TRThe MIC5255-2.9BD5-TR is a voltage regulator that belongs to the PMIC (Power-Management Integrated Circuit) - Voltage Regulators - Linear family. It is a small, low power device that provides voltage regulation for applications that require higher accuracy and low-voltage performance. These voltage regulators are designed to provide clean, high-capacity power supply with low fluctuations from the input source.Application Field Of The MIC5255-2.9BD5-TRThe MIC5255-2.9BD5-TR is suitable for a range of end applications, including:

• Portable Devices: The MIC5255-2.9BD5-TR is often used in mobile devices such as smartphones, tablets, cameras, and other battery-powered and portable electronics.
• Automotive Electronics: These voltage regulators are commonly used in automotive electronics to maintain low-voltage power supplies.
• Industrial Electronics: The MIC5255-2.9BD5-TR is used in industrial electronics to control and regulate the supply of power to a variety of equipment and systems.
• Misc: The MIC5255-2.9BD5-TR is also used in a range of miscellaneous applications, including: medical, consumer electronics, telecommunications, test equipment and more.

Features Of The MIC5255-2.9BD5-TRThe MIC5255-2.9BD5-TR features:

• Low voltage dropout voltage (1.5V at full load)
• Low quiescent current (20uA on average);
• Programmable output voltage from 1.5V to 7.0V
• Excellent line and load regulation
• Nominal output voltage accuracy of [+/-1.0%]
• Low output voltage noise
• Adjustable operating current limit
• Integrated short-circuit and thermal protection

Working Principle Of The MIC5255-2.9BD5-TRThe MIC5255-2.9BD5-TR is a linear regulator and works according to the following basic principle: The higher voltage (Input voltage) is compared with a reference voltage and the difference between these is then used to determine the current flowing through the output transistor. The current flowing through the output transistor, in turn, causes a voltage drop across the transistor, which is then supplied to the output of the regulator. The MIC5255-2.9BD5-TR uses a bandgap reference voltage source, which provides more reliable and accurate regulation than other linear such as those using zener voltage references. The reference voltage is set using external resistors and is then compared with the input voltage using a programmable gain amplifier, which adjusts the current flowing through the output transistor. The MIC5255-2.9BD5-TR has a high output voltage accuracy due to its precision gain amplifier and high-precision reference voltage source.The MIC5255-2.9BD5-TR is also equipped with a slew rate limiting feature, which adjusts the current limit and regulates the rise and fall times of the output voltage. This feature improves the device\'s stability and helps reduce oscillations or ringing of the output voltage.ConclusionThe MIC5255-2.9BD5-TR is a low power, high accuracy voltage regulator belonging to the PMIC (Power-Management Integrated Circuit) - Voltage Regulators - Linear family. It is suitable for various applications, including: mobile devices, automotive electronics, industrial products, and miscellaneous applications. It features a low voltage dropout of 1.5V at full load, low quiescent current of 20uA on average, programmable voltage from 1.5V to 7.0V, excellent line and load regulation, a high output voltage accuracy of [+/-1.0%]and low output voltage noise. The device operates on a linear regulator principle, using a bandgap reference voltage source, a programmable gain amplifier, and adjustable operating current limits. The MIC5255-2.9BD5-TR also has a slew rate limit feature, which reduces the rise and fall times of the output voltage, improving the device\'s stability.

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