The MC7808CD2TR4 is a linear voltage regulator device from On Semiconductor. It functions as an adjustable 3-terminal positive voltage regulator and is able to supply outputs of 8V at up to 1.5A current. It can also be used for voltage waveform applications such as buck converters and boost converters.
Application Field
The MC7808CD2TR4 is commonly used in a variety of electronic devices such as flashlights, DVD players and serve as a power supply for computing devices. The MC7808CD2TR4 is also used in automotive, industrial and communications applications. In these applications, it is used to supply regulated power to a variety of different components and circuits.
Working Principle
The MC7808CD2TR4 works by using a zener diode and transistor to create a three terminal regulated power supply. The zener diode acts as a voltage reference, and the transistor acts as a current switch, controlling the output voltage. The circuit has a feedback loop in which the measured output voltage is compared to the reference voltage and if a difference is detected, the error signal is used to adjust the circuit\'s output voltage.
The MC7808CD2TR4 has an adjustable output so that it can be set to a specific output voltage. It also has over current and thermal protection features, which help prevent any damage the device might experience due to excessive current or heat. The device also features low dropout voltage, meaning that it can maintain a relatively stable output even when the input voltage is close to the output voltage.
Conclusion
The MC7808CD2TR4 from On Semiconductor is a linear voltage regulator device that has a wide range of applications in automotive, industrial and communications applications. It functions by using a zener diode and transistor to create a three terminal regulated power supply, and has adjustable output and protection features for enhanced performance and reliability.