TL431BILPRAG

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TL431BILPRAG belongs to PMIC - Voltage Reference. It is a programmable voltage reference for voltage regulation and generation of precise reference voltages. This integrated device includes two independent voltage references, each built with a comparator, a precision current source, and a reference buffer amplifier.

The TL431BILPRAG can be programmed with an external resistor and adjust the output of an adjustable voltage regulator, or it can be used to sense the input and then generate an appropriate reference voltage with respect to that input. The output is maintained stable over temperature and time.

The TL431BILPRAG can be used in a wide range of applications, including battery management, linear regulator, buck regulator, switch mode power supplies, and low-dropout (LDO) regulators. It can also be used in sensor applications, including temperature measurement, load cells, and extensometers, as well as to monitor current gain in amplifiers.

The working principle of the device is relatively simple. It uses two independent internal voltage references that are adjustable with an external resistor. As the reference voltage Vreg is adjusted, the output voltage of the TL431BILPRAG is reduced until it reaches a minimum, at which point the voltage comparator trips and an open-collector output becomes active. This open-collector output can then be used to control a feedback circuit, allowing the output to be maintained at the desired voltage level.

The TL431BILPRAG is a precision current source/comparator that utilizes a wide range of programmable features. These features include high accuracy, micropower operation, and robust protection against overvoltage and transients. This device has a wide operating temperature range and meets the requirements of industrial and automotive environments.

In conclusion, the TL431BILPRAG belongs to PMIC - voltage reference. It is an integrated device that includes two independent voltage references and is suitable for a wide range of applications. The device can be programmed with an external resistor and has high accuracy, micropower operation and protection against overvoltage and transients. The working principle is relatively simple and the output is maintained stable over temperature and time.

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