MC7809CD2TR4

PMIC - Voltage Regulators - Linear

MC7809CD2TR4 is a voltage regulator. It is designed to provide linear voltage regulation with low output noise, low dropout voltage, low temperature coefficient, low quiescent current and fast response for use in systems requiring improved system power efficiency or providing better system stability.

Application Field

MC7809CD2TR4 can be used in a wide range of applications, including industrial, automotive, and consumer applications. Its low output noise and low dropout voltage make it an ideal choice for applications requiring improved system power efficiency or providing better system stability. It can be used in systems such as battery management, automotive, automotive and power supply, analog-to-digital or digital-to-analog converters, and precision regulators. Additionally, it can also be used in device protection, power stabilization, load-shedding, and noise reduction.

Working Principle

MC7809CD2TR4 is a linear voltage regulator, which means it works by regulating the amount of current flowing from the input source to the output load. The regulator works on the principle of negative feedback, in which the input voltage is compared to a reference voltage, and the difference between the two is used to regulate the amount of current flowing from the input source. In order to reduce the amount of current flowing from the input source, the voltage regulator lowers the output voltage, while when the input voltage is too high, it increases the output voltage. This keeps the output voltage within a specified range regardless of the input voltage.

The MC7809CD2TR4 includes advanced features such as over-temperature protection, thermal shutdown, reverse current protection, and over/under-voltage protection. It also includes an enable input and output voltage adjustment pins, which can be used to adjust the output voltage between 1.2V and 15V. In addition, the regulator comes with a typical output noise of 30 microVrms and can handle input voltages up to 24V, making it suitable for a wide range of applications.