S-817B36AMC-CWZT2G

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PMIC (Power Management Integrated Circuits) Voltage Regulators are designed to convert an incoming input voltage, to a more appropriate level for the electronic device it is supplying the power to. The most common voltage regulator, the linear regulator, uses a pass transistor, which adjusts the current output in proportion to the incoming voltage, distributing and stabilizing the supply. The S-817B36AMC-CWZT2G is a 36V linear voltage regulator, which is capable of a 0.2A current output, making it ideal for applications such as automatic power control or charge pumps.

Applications

The S-817B36AMC-CWZT2G voltage regulator is best utilized in applications that need a steady and stable source of power, such as powering computers, laptops, and other electronic devices. It is also used in automotive, medical and military applications, where extreme accuracy and reliability is a must. This voltage regulator can also be used in applications requiring rapid power conversion and a fairly low dropout voltage. It is ideal for systems where space is at a premium, as it is small and lightweight.

Working Principle

The S-817B36AMC-CWZT2G works based on a P-channel MOSFET, set up as a linear regulator. At its heart is an LM78 series regulator IC, which helps with setting up the voltage output. The voltage regulator is set up such that it has a fixed current output, determined by setting the corresponding resistor (R1) of the 25V source voltage. This same resistor (R1) also sets the maximum current that the regulator can supply to the circuit, thus assuring regulatory stability.

When the source voltage exceeds the output voltage of the regulator, the current that the regulator delivers increases, until the source voltage drops to match the lower regulator voltage. This cycle of increase and decrease in current helps provide a steady output voltage, even when the input voltage has some minor fluctuations.

The S-817B36AMC-CWZT2G also offers protection against excessive current, overvoltage and thermal shock. It has a built-in current limiter, which works to maintain steady current even when the output voltage is higher than the source voltage. It also has a thermal fuse, which is activated in the event of an overtemperature or overcurrent situation, cutting off the power supply to the circuit being protected.

Conclusion

The S-817B36AMC-CWZT2G is a linear voltage regulator, designed for a wide range of applications. It is designed to withstand temperature and current fluctuations, offering great reliability and accuracy in power conversion. Its small size and lightweight make it ideal for applications where space is a premium, and its current output of 0.2A makes it a great choice for automatic power control or charge pumps.

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