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Introduction

The MIC29300-5.0BU is a voltage regulator, specifically a linear voltage regulator, which operates over input voltages between 3.2V to 25V and can put out an output of 5.0V with a maximum current of 1.5A. It is an LDO (Low Drop Out) voltage regulator which serves to prevent damage to other components from unregulated input power coming from higher than 5.0V sources.

Application Field

The MIC29300-5.0BU is mainly used in automotive systems but also finds application in telecoms, industrial, gaming and military systems. This device is designed for a wide range of automotive systems especially battery-powered systems and can also be used in other systems requiring 5.0V from higher input sources.

The MIC29300-5.0BU is suitable for systems with higher and more demanding output requirements where three terminal linear voltage regulators cannot deliver and it is also suitable for automotive battery-powered systems, taking the higher energy demands into consideration. It is also suitable for use in laptop and mobile phone chargers.

Working Principle

The MIC29300-5.0BU is a three-terminal linear voltage regulator which has voltage in its input terminal and the voltage in its output terminal are kept constant and the input voltage is set to 5.0V through the adjustment of the output current to the load. The MIC29300-5.0BU is an LDO voltage regulator which means it operates over a wide range of input voltages from 3.2V to 25V, thus allowing it to provide 5.0V from higher sources.

This device uses a voltage divider security method to protect itself from overvoltage and of course the other components from damage. The voltage divider security circuit monitors the input voltage and if the input voltage is above a preset level then it will shut down the device. This makes the device safe to use in case of higher input voltages.

The MIC29300-5.0BU also offers very low quiescent current of 15 µA and a low power mode. The power saving mode reduces the quiescent current to 3 µA and thus contributes to increased efficiency in low power applications. The device also carries thermal protection which shuts down the regulator when the device temperature rises above a certain safety level.

Conclusion

The MIC29300-5.0BU is a three-terminal linear voltage regulator which is ideal for applications with higher and more demanding output requirements. It operates over input voltages between 3.2V to 25V and can put out an output of 5.0V with a maximum current of 1.5A. It is suitable for a wide variety of applications from automotive to gaming and military systems. The MIC29300-5.0BU also features thermal protection, voltage divider security, low quiescent current, and a power saving mode, making it a reliable and efficient component for your system.

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