MC79L15ACPRE

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The MC79L15ACPRE is an integrated Linear Voltage Regulator of the MC79xx series. It is one of the most popular integrated voltage regulators that falls under the Power Management Integrated Circuits (PMICs) category. It provides a fixed output voltage with a voltage input of up to 18V, making it perfect for applications where supply voltage is varied. It can handle a maximum power of up to 1.5W.

Applications of the MC79L15ACPRE include high efficiency and low noise LED driver, embedded system, power supply, automotive electronics and more. It can also be used for purposes such as regulating audio outputs, power distribution systems, power supply for communication devices and more.

The MC79L15ACPRE is a three-terminal voltage regulator, powered by 15V or less. The IC includes an adjustable voltage reference and an error amplifier, a voltage divider resistor selection and overload protection. It is available in three pin TO-92 packages, which means it can be easily installed in most applications.

The MC79L15ACPRE provides an adjustable output voltage ranging from 1.2V to 16V. It is also equipped with short-circuit and thermal protection to protect the IC against any damage caused due to overload or surge current. The output voltage is regulated using an enhancement type P-channel MOSFET in the output stage. It also uses an external PNP bipolar transistor for series pass and current limiting applications.

In terms of its working principle, the MC79L15ACPRE voltage regulator is based on its internal voltage reference, the error amplifier and the series PNP pass transistor to regulate the output voltage. The external load is connected to the output terminal, where the voltage regulator provides an output voltage a few volts above the reference voltage. It compares the voltage between the reference voltage and the output voltage. It then adjusts the current through the external pass transistor to ensure that the output voltage is maintained.

The MC79L15ACPRE is a versatile Voltage Regulator that offers user friendly features and performance in a variety of applications. It helps in providing an adjustable output voltage from 1.2V to 16V, with a maximum power of 1.5W. It also offers various protection features like short-circuit and thermal protection to protect the device from any damage due to an overload or surge current. With its small size and reasonable price, it is ideal for various power applications.

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