NCV47823PAAJR2G

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PMIC (Power Management ICs) are integrated circuits that efficiently manage power supply for a range of electronic products. Among them, Voltage Regulators are used to stabilize or stabilize the amount of power that is supplied to the circuit. Linear voltage regulators are also commonly used in analog circuits. In particular, NCV47823PAAJR2G is designed by ON Semiconductor and is a low quiescent current linear regulator, perfect for applications that require a fixed voltage. It is efficient, reliable, and easy to use.

Application Field of NCV47823PAAJR2G

NCV47823PAAJR2G can be used to provide a regulated supply voltage to various circuits, such as in computer peripherals, industrial automation systems, telecommunications systems, personal electronics etc. Furthermore, it can be used as an alternative to the classic 7805. It offers many advantages over the 7805, such as very low quiescent current, low noise, improved line regulation and lower drop-out voltage. In addition, it has been designed for operation in both commercial and industrial temperature ranges, making it suitable for a wide range of applications.

Working Principle of NCV47823PAAJR2G

NCV47823PAAJR2G is of the negative-voltage type, meaning it has an output pin called the output, which outputs a negative voltage. It operates as a linear regulator and works compared to an ideal diode, driving the output voltage to a value so that the difference between the input and output pins is equal to 0.6 V. The difference is created, in this case, between the ground pin and the output pin, subtracting the 0.6 V and reaching a voltage equal to the desired output voltage. Alternatively, the output voltage can be reached by subtracting the desired voltage from the input voltage.

It has a maximum load current of 1 A and can handle up to 10 V input voltage; additionally, it includes both a Thermal Shutdown Protection and Output Current Limiting Protection. For instance, if the output current reaches the preset 1 A limit, the current will be limited to a safe level, protecting the circuit from damages. The NCV47823PAAJR2G is also provided with a Protection Delay Timer, capable of increasing the protection performance by delaying the actuation of the Short Circuit protection mode.

In terms of electrical parameters, it has a typical dropout voltage of 400 mV, a quiescent current of 19 mA, and a ripple rejection of 70 dB. Moreover, the total quiescent current is the sum of the quiescent current and the output current, and the quiescent current is given by the maximum input voltage and the desired output voltage. Also, the ripple rejection is given by the frequency of the ripple and the output voltage for a given frequency, directly related to the stress applied to the device.

As previously mentioned, the NCV47823PAAJR2G is a linear voltage regulator perfectly suited for applications requiring a fixed voltage. Its quiescent current is extremely low, ensuring a low amount of power consumption, while its line regulation and drop-out voltage are also improved compared to the 7805. Together with its total quiescent current, ripple rejection, and other electrical parameters, it makes the NCV47823PAAJR2G ideal for numerous applications, making it an excellent choice for the proper operation of any device.

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