MC33375ST-2.5T3

Current - Output:	300mA
Base Part Number:	MC33375
Supplier Device Package:	SOT-223
Package / Case:	TO-261-4, TO-261AA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	75dB (120Hz)
Current - Quiescent (Iq):	200µA
Series:	--
Voltage Dropout (Max):	0.5V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
Voltage - Input (Max):	13V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction to MC33375ST-2.5T3

The MC33375ST-2.5T3 is a voltage regulator designed and manufactured by Freescale Semiconductor. It is part of the current generation of single-chip regulators, which integrate a variety of features designed to make the overall cost, size, and performance of the regulator superior to other solutions available on the market. It is part of the MC33375 series, which features other regulators with different package options and output voltage ranges.

Application Fields of MC33375ST-2.5T3

The MC33375ST-2.5T3 is a linear voltage regulator, meaning that it provides a consistent output voltage while maintaining a constant difference between the source and output voltages. This makes it ideal for use in a variety of systems that require a consistent, regulated voltage for their operation.The device can be used in a number of applications, such as in telecommunications, consumer electronics, and industrial systems. It is particularly well-suited for applications in which space is limited, as its small size and low-profile package make it ideal for tight, space-constrained designs. In addition, the MC33375ST-2.5T3 is designed to operate with minimal noise or distortion, making it a great choice for applications where delicate signals must not be disrupted. It is rated for use at voltages ranging from 2.5V to 33V and currents ranging from 10mA to 250mA.

Working principle of the MC33375ST-2.5T3

The MC33375ST-2.5T3 is a linear regulator, which means it operates on the same general principles as other regulators of its type. The power supply’s AC signal is rectified into DC, filtered, and then sent to the regulator’s input. From there, the regulator is able to adjust the voltage and current of the signal sent to the output, thereby producing a constant voltage with minimal noise or distortion.The MC33375ST-2.5T3 employs a 3-terminal structure, with an input, output and ground terminal. The input terminal receives the DC voltage for regulation, and the output terminal sends the regulated voltage to the load. The ground terminal is typically used to tie the output and input ground references together and provide a return path to the power supply.The device uses an open-loop voltage feedback to measure the voltage at the output terminal and compare this to the desired output voltage set by the feedback. If the output voltage is higher than the desired level, the internal error amplifier reduces the magnitude of the output voltage. Alternatively, if the output voltage is lower, the error amplifier increases the magnitude of the output voltage. This process of output adjustment is continuous and helps maintain a consistent output voltage.

Conclusion

The MC33375ST-2.5T3 is an excellent choice for applications that require a low-profile, consistent output voltage. It is a single-chip solution designed to save space, reduce cost, and provide a higher level of performance than other solutions. Its 3-terminal structure and open-loop voltage feedback allow it to compare output voltage to a desired level, continuously adjusting it to this level with minimal noise or distortion.

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