MIC3775-3.3BMM

Voltage Dropout (Max):	0.5V @ 750mA
Base Part Number:	MIC3775-3.3
Supplier Device Package:	8-MSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	--
Current - Output:	750mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Voltage - Input (Max):	6V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Discontinued at Digi-Key
Packaging:	Tube

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Introduction to MIC3775-3.3BMM Voltage Regulator

The MIC3775-3.3BMM is a monolithic, fixed-output, linear voltage regulator providing 3-A output current over an adjustable output range from 0.95 V to 30 V, with high accuracy, low dropout voltage and fast transient response. It contains a load switch, a series pass transistor, a voltage reference and an error amplifier, in a single integrated circuit. It is ideal for 3 A/3.3V regulated power supplies, data acquisition systems and bridge power supplies.

Features of MIC3775-3.3BMM Voltage Regulator

The MIC3775-3.3BMM offers a variety of features that make it an ideal voltage regulator for many applications. It has tight load and line regulation, low quiescent current, thermal protection, and fast transient response which improves system performance. It has a low dropout voltage of 300 mV at 3 A and a built-in current limiting to protect the device from over current and damage. The device also has excellent accuracy over a wide temperature range.

Applications of MIC3775-3.3BMM Voltage Regulator

The MIC3775-3.3BMM voltage regulator is perfect for a wide range of applications, including telecom systems, end equipment, computers and peripherals. It can be used for lighting control, HVAC systems, industrial control systems, and medical equipment. It is also ideal for a variety of automotive applications, such as power control and climate control systems.

Working Principle of MIC3775-3.3BMM Voltage Regulator

The MIC3775-3.3BMM voltage regulator works by comparing the output voltage with the reference voltage, and then controlling the outp u to maintain the desired voltage. It contains a series pass transistor that acts as an error amplifier, a voltage reference and a load switch. This series pass transistor and load switch are used to control the output current by regulating the amount of current that is delivered to the load. The voltage reference and error amplifier act together to compare the gain of the amplifier with the reference voltage, and then adjust the output current accordingly.

Conclusion

The MIC3775-3.3BMM is a 3-A, fixed output linear voltage regulator ideal for a variety of applications, such as automotive and industrial applications. It is a monolithic integrated circuit, containing a series pass transistor, a voltage reference, and an error amplifier, that work together to compare the output voltage and reference voltage and control the output current. The MIC3775-3.3BMM features tight load and line regulation, thermal protection, low quiescent current and fast transient response, as well as excellent accuracy over a wide temperature range.

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