MIC2211-SGYML-TR

Voltage Dropout (Max):	0.25V @ 150mA, 0.42V @ 300mA
Supplier Device Package:	10-MLF® (3x3)
Package / Case:	10-VFDFN Exposed Pad, 10-MLF®
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	60dB ~ 40dB (1KHz ~ 20kHz)
Current - Quiescent (Iq):	80µA
Current - Output:	150mA, 300mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V, 1.8V
Voltage - Input (Max):	5.5V
Number of Regulators:	2
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Discontinued at Digi-Key
Packaging:	Cut Tape (CT)

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MIC2211-SGYML-TR, Linear Voltage Regulators Application Field and Working Principle

Linear voltage regulator is a type of voltage regulator that regulates the output voltage by varying the current through a resistive element, such as a transistor or a zener diode. Linear voltage regulators are often used to provide a stable output voltage from a varying input voltage, and are commonly used in consumer electronics and electrical appliances. The MIC2211-SGYML-TR is a family of 12-terminal linear voltage regulator integrated circuits from Microchip Technology.

Features

The MIC2211-SGYML-TR series of linear voltage regulators have a range of features, including a wide operating voltage range of 2.8V to 16V, adjustable output voltage up to 25V, low quiescent current of 90μA, thermal shutdown protection, and adjustable output current of up to 1A. The linear regulator also offers short circuit protection and a current limit indicator.

Applications

The MIC2211-SGYML-TR series of linear voltage regulators are used in many different types of applications, including powering microprocessors, FPGAs, and other devices in embedded systems. They can also be used in automotive, industrial, and consumer electronics applications.

Working Principle

The voltage regulator consists of an integrated circuit connected to an input voltage source and an output voltage load. The voltage regulator will adjust the output voltage to a constant voltage according to the input voltage, with a very small amount of energy dissipated in the form of heat.When the input voltage rises, the current through the regulator increases. This current is then limited by the reference circuitry internally and the base current of the output transistor, which controls the output voltage. The output voltage will remain constant so long as the input voltage is kept within the specified operating range. When the output current reaches the current limit, the output voltage will decrease slightly to reduce the current.In the event of a short circuit, the regulator will enter a mode known as "crowbar mode", limiting the output current to a safe level. This mode is marked by an LED indicator. If the current limit is exceeded, the regulator will enter thermal shutdown mode, disconnecting the output from the input voltage and stopping further current from flowing.

Conclusion

The MIC2211-SGYML-TR series of linear voltage regulators are a reliable and economical solution for a variety of applications. They provide a wide operating voltage range, adjustable output voltage, and excellent current limiting capabilities. The adjustable output current is also a useful feature in many applications, and the short circuit protection and thermal shutdown capabilities provide added safety.

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