MC7812BD2TR4G

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The MC7812BD2TR4G is a linear positive voltage regulator that belongs to the family of PMIC (Power Management Integrated Circuit) voltage regulators. It is designed to provide stable and reliable voltage to a wide range of applications, including automotive, computing and process control.

Features

The MC7812BD2TR4G regulator provides the benefits of output over-voltage protection, input to output overvoltage protection and thermal shut-off. It is a three-terminal device with an input voltage range of 2 to 10 V, output voltage of regulated 12 V and an output current capability of up to 1.5 A. This device also features low quiescent current and low dropout voltage, making it an ideal choice for energy-efficient applications. Other features include adjustable output voltage, thermal shut-off and over-current protection, as well as over-voltage protection.

Applications

The MC7812BD2TR4G is widely used in automotive, networking, computing, industrial and process control applications. It is well-suited for applications requiring regulated output voltages with high efficiency, low quiescent current and low dropout voltage. Some possible applications include battery management systems, auxiliary power supplies, 12 V converters, and voltage regulation in automotive and industrial systems.

Working Principle

The MC7812BD2TR4G works on the principle of input to output voltage regulation using a series of voltage reference and error amplifier circuits. First, an internal voltage reference circuit determines the desired output voltage. This reference voltage is compared to the actual output voltage using the error amplifier circuit, which helps in generating the error voltage. Finally, a series of control circuits help in stabilizing the output voltage by adjusting the output current.

Conclusion

The MC7812BD2TR4G is a robust and reliable voltage regulator that provides a wide range of features for automotive, computing, industrial and process control applications. With its low quiescent current, adjustable output voltage, thermal shut-off and over-current protection, this device is an ideal choice for creating a stable, reliable and efficient power supply.

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