MIC5392-MFYMT-TR

MIC5392-MFYMT-TR Application Field and Working Principle

The MIC5392 series of voltage regulators is an important type of linear voltage regulators that can be used to convert or regulate voltage levels. It belongs to a family of components called PMIC (Power Management ICs). This article will explore the application fields and working principle of the MIC5392-MFYMT-TR regulator.

Application

The MIC5392-MFYMT-TR is a type of low dropout voltage regulator. It is a linear voltage regulator, which means that it continually works to maintain the same output voltage regardless of changes in input voltage or load. This type of regulator is particularly appropriate for high-current applications, such as those used in automotive systems and SMPS (switched-mode power supplies). The MIC5392-MFYMT-TR is able to handle load currents of up to 4A.

Features and Specifications

The MIC5392-MFYMT-TR is able to work at input voltages up to 28V, meaning that it can be used in a wide variety of applications. Thanks to its high accuracy and low temperature coefficient, it is especially suitable for low voltage and high current applications, as well as applications that require precise voltage regulation. The device has an on-chip over-current protection limit, thermal safeguarding features, and a reverse current protection feature. The MIC5392-MFYMT-TR also has an internal over-temperature shutdown and an output short-circuit protection.

Working Principle

The MIC5392-MFYMT-TR comprises of an error amplifier, a power switch and a linear regulator, as well as important feedback circuits. The main function of the voltage regulator is to provide a regulated, stable output voltage that is independent of the input voltage, load currents, and temperature. The operation of the regulator begins when the input voltage is applied to the device. The error amplifier then compares the applied voltage with the voltage on the reference pin, and adjusts the power switch accordingly. This process is repeated continuously, allowing the regulator to maintain a constant output voltage.

Conclusion

The MIC5392-MFYMT-TR is a linear voltage regulator, specifically designed for high current applications. It features over-current protection, thermal protection, reverse current protection, and output short-circuit protection. It can handle input voltages up to 28V, and a load current of up to 4A. Its operation is based on an error amplifier, a power switch and a linear regulator, in combination with the appropriate feedback circuits.