MC7808ACT

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The MC7808ACT is a linear voltage regulator from ON Semiconductor. It is classified as a Positive Voltage Regulator, meaning that the voltage output is a fixed value higher than the voltage at the input. This regulator is designed to be used in household, industrial and automotive applications.

The MC7808ACT is capable of handling inputs up to 18V and outputs up to 8V. It has a maximum current of 1A and maximum power of 8W. The drop-out voltage is only 1.5V at full load. To ensure the output is accurate and stable, this regulator contains internal current and thermal limiting and the voltage tolerance is only ±0.05V.

The MC7808ACT works on the principle of a series regulator. This circuitry works by using a differential amplifier and Darlington transistor to compare a voltage reference to the output voltage. This difference creates a control voltage, which is used to control the Darlington transistor. The transistor functions as a switch and allows current from the input to the output, maintaining a constant voltage. The control voltage is then compared to the reference once again to ensure the output is accurate. Any changes in the input current are detected by the internal current limiter, who maintains the output current within the allowable range.

The MC7808ACT has a wide range of applications. It is commonly used in power supplies, stabilized power supplies and solar power systems. Its low drop-out voltage makes it highly efficient as well as lightweight, making it ideal for portable applications. It is also used in automotive applications, such as charging and power management systems.

Overall, the MC7808ACT is a reliable and accurate voltage regulator, suitable for a variety of applications. Its low drop-out voltage and internal current limiting make it ideal for demanding applications, while its high efficiency ensures it is suitable for portable applications. With its wide range of applications, the MC7808ACT is a great choice for voltage regulation needs.

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