The high-power 7805 is commonly used in electronic devices and circuits where a stable 5V voltage is required. The most common application is in electronic circuits where it is used as a voltage regulator to stabilize the input voltage (usually above 7V) to 5V. Therefore, the high-power 7805 can be found in electronic devices, such as computers, mobile phones, televisions, stereos, etc.
Generally in the regulated power supply, MCU control board and industrial equipment inside the circuit board can often be seen. The 7805 is now a commonly used component and can be bought in the electronics market everywhere.
7805 is a three-pin voltage regulator to the electronic market one yuan only the old disc machine has part of the power amplifier and there are many electrical power parts