MIC37300-1.8BR TR

MIC37300-1.8BR TR Application Field and Working Principle

PMIC (Power Management Integrated Circuits) encompasses a wide variety of voltage regulators, each with different functions and applications. One such device is the MIC37300-1.8BR TR, a variable range, high-side linear voltage regulator. This particular voltage regulator has many applications in diverse markets, including electronics, computing, communications, automotive, and medical. This article introduces the specific application fields and the working principle of the MICH37300-1.8BR TR voltage regulator.

Application Fields of MIC37300-1.8BR TR

The MIC37300-1.8BR TR is widely used to provide a regulated voltage source from a wide range of input sources such as USB, AC/DC, and battery power. It can provide up to 1.8 V of regulated output voltage and can be used for a wide range of applications, including embedded system and consumer applications, automotive monitoring and diagnostic systems, communication equipment and servers, and other industrial control systems.

Since the MIC37300-1.8BR TR is a high-side voltage regulator, it can provide up to a maximum of 1.8V of output voltage, with a wide range of possible values in between. It is ideal for applications that require a variable output voltage. In addition, it offers a high degree of accuracy, with an error rate of 0.1%. This makes it useful for applications that require accurate voltage regulation.

Working Principle of MIC37300-1.8BR TR

The MIC37300-1.8BR TR is a high-side linear voltage regulator, meaning it regulates output voltage by altering the resistance of the pass transistor used in the regulator. The pass transistor is composed of a base, a source, and a drain, and is connected to the power source. When the voltage at the source is lower than the desired output voltage, the source current is increased, causing the resistance of the pass transistor to drop, increasing its output voltage. Conversely, when the source voltage is higher than the desired output voltage, the resistance of the pass transistor is increased, lowering its output voltage. The MIC37300-1.8BR TR has an internal compensation circuit which can accurately adjust the voltage output of the regulator to the desired value, regardless of varying load conditions.

Conclusion

The MIC37300-1.8BR TR is a versatile high-side linear voltage regulator, capable of providing a regulated output voltage of up to 1.8V. It has a wide range of applications, including embedded systems and consumer applications, automotive monitoring and diagnostic systems, communication equipment and servers, and other industrial control systems. It provides a high degree of accuracy with an error rate of just 0.1%. The MIC37300-1.8BR TR operates using a simple pass transistor circuit, adjusting the resistance to alter output voltage and an internal compensation circuit to ensure accurate regulation.