Current - Output:	150mA
Base Part Number:	MIC5376
Supplier Device Package:	4-TMLF® (1x1)
Package / Case:	4-UDFN Exposed Pad, 4-TMLF®
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	60dB ~ 50dB (1kHz ~ 10kHz)
Current - Quiescent (Iq):	45µA
Series:	--
Voltage Dropout (Max):	0.2V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.8V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MIC5376-2.8YMT-TZ Application Field and Working Principle

Introduction

The MIC5376‑2.8YMT‑TZ is a precision, low noise, low dropout voltage regulator. It is manufactured using the Company’s BiCMOS process technology and is housed in the TinyTSOT‑5 package. This low operation current of the MIC5376-2.8YMT-TZ helps to reduce high temperature performance of the overall design.

Application Fields

The MIC5376-2.8YMT-TZ device is suitable for a wide range of linear voltage regulator applications. Its small size and low current consumption make it an ideal choice for portable electronics with high demand power requirements such as smart phones, PDAs, digital cameras, and other handheld devices. Additionally, the device can also be used in laptop computers and other power sensitive equipment like power supply or notebook computers.

Working Principle

The MIC5376-2.8YMT-TZ is designed to offer a low dropout voltage, low noise and high accuracy regulation of an input voltage to a stable output voltage. It operates from an input voltage greater than 1.4V and is capable of supplying a maximum output current of 150mA. The device has a load regulation of 0.2% and a line regulation of 0.05%.The MIC5376-2.8YMT-TZ consists of a current mirror, a voltage regulating stage and an error amplifier. The current mirror provides a reference current to the voltage regulating stage, which establishes the output voltage of the device. The error amplifier compares the output voltage of the device with the reference voltage and regulates the voltage across the voltage regulating stage accordingly. In addition, the MIC5376-2.8YMT-TZ has a shutdown feature to quickly shut down the converter when the output voltage is not needed or exceeds its maximum voltage limit. This feature can be used to save power and protect the output voltage from any over-voltage conditions.

Conclusion

The MIC5376-2.8YMT-TZ is an ideal voltage regulator with low operational current and high accuracy regulation. Its low dropout voltage and low noise make it well-suited for a variety of applications. Its built-in shutdown function makes it easy to use and protect the output voltage in case of any over voltage conditions. Moreover, due to its low current consumption, the MIC5376-2.8YMT-TZ is an excellent choice for portable electronics with high power requirements.

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