L4931CD120

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The L4931CD120 is a linear voltage regulator part belonging to STMicroelectronics family of voltage regulators. It is part of their Power Management Integrated Circuits (PMIC) and featured in their Voltage Regulator product family lineup. It is a triple output voltage regulator that provides robust solutions for both industrial as well as automotive applications.

The device provides a total output of 3.3 volts divided across three outputs, each with a nominal rating of 3.3 volts, with a maximum current of 120mA. Furthermore, it has an adjustable output range, allowing the user to manually adjust the output voltage if necessary. Its protection features include over-current protection, short-circuit protection, and thermal shutdown in order to ensure safe and reliable operation. It also has built-in filtering, allowing noise from the output voltage lines to be reduced considerably.

In terms of functionality, the L4931CD120 is a linear regulator circuit that utilizes a controlled amount of current sourced from a high voltage power supply to generate the desired voltage. It has an integrated error amplifier which is capable of sensing any slight variations in input voltage and compensating for them in order to maintain a stable and consistent output voltage. This error amplifier is also responsible for the regulation of peak current in order to prevent the circuit from entering into a saturation mode.

Given its robust construction and functional capabilities, the L4931CD120 is applicable in a wide range of industrial and automotive applications. For example, it can be used for motor control, voltage monitoring, battery backup, control systems, DC motors, and various audio equipment. In addition, its flexibility allows for it to be utilized as both a primary voltage regulator or as an auxiliary voltage regulator, allowing it to be used with a variety of applications.

Therefore, the L4931CD120 is a highly effective and reliable voltage regulator part with numerous applications. It offers robust protection features as well as adjustable outputs, allowing it to serve as both a primary and auxiliary voltage regulator. Its integrated filtering eliminates the possibility of noise entering the circuit, while its error amplifier provides adjustable stability and consistent output. All these features make the L4931CD120 a great choice for both industrial and automotive applications.

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