NJM2930F85#

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NJM2930F85 is a voltage regulator which is a linear type integrated circuit manufactured by New Japan Radio Co., Ltd. It is designed for a wide variety of application fields including computers, consumer electronics, home appliances, automotive and so on. This voltage regulator is designed to provide a high degree of stability, accuracy and low power consumption.

NJM2930F85 Features

NJM2930F85 is a 3-pin regulator package which provides high accuracy, wide range of output voltage (1.5 V to 37.5 V) and low power consumption. It also features I/O isolation, shutdown control, overtemperature protection and overload protection. Moreover, it has a temperature range of -40°C to 125°C and operating supply voltage range of 4.5 V to 28 V.

NJM2930F85 Working Principle

NJM2930F85 is an adjustable linear voltage regulator which works on the same principle as other linear voltage regulators. There are two main parts of the voltage regulator circuit, an error amplifier and a pass transistor. The error amplifier compares the input voltage with the output voltage and produces an output signal. This signal is used to regulate the output voltage. The pass transistor is employed to control the output current. The voltage drop across the pass transistor is controlled by the output signal of the error amplifier.

When the input voltage is higher than the desired output voltage, the error amplifier detects the difference and produces an output voltage that decreases the voltage drop across the pass transistor. This forces less current to flow through it, reducing the output voltage. The opposite is true when the input voltage is lower than the desired output voltage.

NJM2930F85 provides output regulation even in the presence of variation in the power source voltage, temperature, load currents, and supply voltage transients. It does this by continuously comparing the sensed output voltage to the internally set reference voltage.

NJM2930F85 Applications

NJM2930F85 is mainly used in power supply, providing steady and reliable output voltage in a wide range of applications. It is particularly suitable for computers, home appliances, automotive, LED lighting and power adapters. It is also suitable for DC/DC converters and other similar applications.

NJM2930F85 linear voltage regulator can also be used in battery charger and battery monitoring circuits, as well as in overvoltage and low dropout (LDO) regulators. It is also suitable for use in power hungry mobile devices such as smartphones, tablets and ultra-thin notebooks.

NJM2930F85 is also often used in automotive applications, such as automotive power supply, engine control and data logging systems, as well as radio and navigation systems. It can also be used in the control circuits of industrial equipment, providing a stable output voltage for control and monitoring purposes.

Conclusion

NJM2930F85 is a useful and versatile voltage regulator, designed for a wide variety of application fields including computers, consumer electronics and automotive. It provides accurate output voltage regulation even under fluctuating external conditions and is suitable for use in a variety of devices. It is a reliable and effective voltage regulator, perfect for any low-voltage applications.

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