MC7808ABT

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PMIC stands for Power Management Integrated Circuits and one type of PMIC is Voltage Regulators. Voltage Regulators includes a variety of technologies to ensure that the operating voltage of an output device is maintained within the device’s operating parameters. Linear voltage regulators are one type of voltage regulator that works by adjusting the current through a transistor or by varying the turn-on voltage or turn-off voltage of a pass transistor, in order to maintain the voltages at the output of the device within a desired range. The MC7808ABT is a linear voltage regulator that is used in many applications and its working principle will be discussed in this article.

The MC7808ABT is a dual-output linear regulator designed for applications requiring a low output voltage. It features a 3-terminal regulator with protection circuits, allowing it to protect against over-temperature and over-voltage. It offers a high efficiency, low noise, and low dropout voltage. It also features an adjustable output voltage and output current limit.

The MC7808ABT is ideal for use in applications where the output voltage needs to be precisely regulated and can operate over a wide input voltage range, from 4V to 40V. It is also well-suited for applications such as microprocessor-based system powering, automotive, industry and consumer power supplies, battery-powered systems, and USB/PCI-Express power supplies. It is available in an 8-pin SOIC package and is lead-free.

The MC7808ABT linear voltage regulator works by using a series of transistors and resistors, in combination with an input voltage, to regulate the output voltage. The input voltage is then divided across the resistors and transistors, and a portion of the input voltage is used to turn on the transistor, allowing current to flow into the output. The output voltage is then regulated by adjusting the input voltage, allowing the amount of current flowing into the output to be regulated.

The MC7808ABT can also be used in applications requiring low power such as battery-powered portable applications. Its low quiescent current, low output current limit and shutdown mode enable it to be used in applications where power is a factor.

In summary, the MC7808ABT linear voltage regulator is a reliable and cost-effective solution for applications that require low output voltages, low power, and precise voltage regulation. It offers a wide input voltage range, high efficiency and low noise operation, making it an ideal choice for applications such as microprocessor-based system powering, automotive, industry, consumer power supplies, and battery-powered systems.

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