NCV431ASNT1G

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PMIC - Voltage Reference is a type of power management integrated circuit (PMIC) that provides a constant output voltage without the use of an external reference input. Typical applications of this type of IC are in signal conditioning, data acquisition systems, and digital circuitry. NCV431ASNT1G is a voltage reference integrated circuit designed by ON Semiconductor. This IC is typically used to regulate the supply voltage of microcontrollers, ADCs, and DACs that are used in various types of applications.

Description

The NCV431ASNT1G is a very small, low-cost, low-power, and low-noise voltage reference IC. It includes a low-dropout voltage regulator with a very low quiescent current of less than 0.2μA. This IC is rated for an input voltage range of 1.8 V to 6 V, with an output voltage of 1.7V to 5.5V. It has an 8-pin, very small form factor (SOD-883) and can be used in space-constrained applications. This voltage reference IC is also RoHS compliant and has a maximum load current of 1.5 mA.

Features and Benefits

The NCV431ASNT1G voltage reference integrated circuit has several features and benefits that make it suitable for use in various types of applications. Its low quiescent current ensures that it can be used in battery-operated devices, while its low power dissipation ensures that it can operate without the need for a heat sink. This IC also features a low voltage ripple, which ensures that the power supply has a stable output. Additionally, this IC has a low error output voltage and a high accuracy, which ensures that the output voltage is kept within a very tight tolerance.

Applications

The NCV431ASNT1G voltage reference IC is suitable for use in a variety of applications. It can be used as a power supply for microcontrollers, ADCs, and DACs in applications such as communication systems and medical equipment. Additionally, this IC can be used as a reference voltage for amplifiers, filters and oscillators, which are commonly used in audio systems, electronic instruments, and test equipment. Furthermore, this IC can also be used in automotive applications, where it can be used to regulate the power supply for engine control units and other electronic systems.

Working Principle

The NCV431ASNT1G voltage reference integrated circuit operates based on an internal band gap reference (BGR) circuit. This internal BGR circuit provides a stable and precise output voltage, which is regulated by the built-in low-dropout (LDO) voltage regulator. The output of the LDO regulator is then fed to the output terminals of the IC, where it is available as an adjustable output voltage. This adjustable output voltage is then used to power other components or circuits that require a source of power.

The NCV431ASNT1G voltage reference IC is also equipped with several protection features, such as thermal shutdown and short circuit protection. These protection features help to ensure that the IC does not experience any type of damage due to excessive current or high temperatures. Additionally, this IC is also RoHS compliant, which ensures that it can be used in various types of applications without the need for additional compliance requirements.

Conclusion

The NCV431ASNT1G voltage reference integrated circuit is a low-cost, low-power, and low-noise IC that is suitable for use in various types of applications. It features a low quiescent current and low power dissipation, as well as several protection features that make it suitable for use in sensitive applications. This IC is also rated for a wide input voltage range and can produce an adjustable output voltage, making it ideal for various types of signal conditioning, data acquisition systems, digital circuitry, and other applications.

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