MIC37101-1.8BM

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The MIC37101-1.8BM is a linear voltage regulator, specifically part of the Polarity™ series of non-synchronous Step-down(Buck) converters. The MIC37101 is a wide input voltage (4.5V to 25V) voltage regulator. It has an adjustable output which ranges from 0.8V to 18V and can supply up to 1.8A of output current. The chip comes in a MSOP-8E package, making it easy to accommodate most printed circuit board designs.

Application Fields of the MIC37101-1.8BM:

The MIC37101-1.8BM is designed to be primarily used with automotive microcontrollers and other integrated circuits (ICs) that require a reliable, efficient, and clean power supply. Those ICs often require power at a voltage different than the main power supply, which the MIC37101-1.8BM can provide.

The MIC37101-1.8BM can also be used in industrial and medical applications, as well as for a wide variety of consumer products such as smart home devices, wearable devices, handheld electronics, and more.

Working Principle of the MIC37101-1.8BM:

The MIC37101-1.8BM is a voltage regulator, which means it takes a higher voltage from the power source and converts it to a lower, regulated voltage. It does this by using a switching regulator to convert the unregulated high-voltage input into a low-voltage pulse-width modulated (PWM) signal. This PWM signal is then rectified and filtered to produce a DC output voltage.

The core of the MIC37101-1.8BM is a high frequency oscillator that drives an internal pulse-width modulator. The pulse-width modulator is used to control the on-time of an internal switch and thus the amount of energy that is transferred from the input source to the output capacitor. The output voltage is then regulated by an internal error amplifier that monitors the output voltage.

The MIC37101-1.8BM also utilizes a number of safety features to ensure reliable operation and protection against excessive current, over-temperature and voltage. These features include a thermal shutdown circuit, a current limit circuit, a voltage limit circuit and an under-voltage lockout circuit.

Conclusion:

The MIC37101-1.8BM is a linear voltage regulator ideally suited for automotive and other applications that require a reliable, efficient and clean power supply. Its wide input voltage range makes it suitable for numerous application fields, while its internal safety features ensure reliable operation and protection against excessive current, over-temperature and voltage. It is available in a small MSOP-8E package, making it easy to accommodate most printed circuit board designs.

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