The following image shows the pins on a typical 7805 IC in To-220 Package. Requires very minimum external components to fully function.Īs mentioned earlier, 7805 is a three terminal device with the three pins being 1.Has both internal current limiting and thermal shutdown features.It can deliver up to 1.5 A of current (with heat sink).
Some of the important features of the 7805 IC are as follows: Out of these, the TO-220 Package is the most commonly used one (it is the one shown in the above image). They are available in several IC Packages like TO-220, SOT-223, TO-263 and TO-3. Currently, the 7805 Voltage Regulator IC is manufactured by Texas Instruments, ON Semiconductor, STMicroelectronics, Diodes incorporated, Infineon Technologies, etc. A Brief Note on 7805 Voltage Regulatorħ805 is a three terminal linear voltage regulator IC with a fixed output voltage of 5V which is useful in a wide range of applications.
It is an IC in the 78XX family of linear voltage regulators that produce a regulated 5V as output. Here comes the 7805 Voltage Regulator IC to the rescue. But, most of the TTL IC’s work on 5V logic and hence we need a mechanism to provide a consistent 5V Supply. This is good for circuits whose voltage requirements are in that range. But using batteries in sensitive electronic circuits is not a good idea as batteries eventually drain out and loose their potential over time.Īlso, the voltage provided by batteries are typically 1.2V, 3.7V, 9V and 12V. One of the important sources of DC Supply are Batteries. The device may get damaged if there is any deviation from the fixed rate.
A regulated power supply is very much essential for several electronic devices due to the semiconductor material employed in them have a fixed rate of current as well as voltage. In this tutorial, we will see about one of the most commonly used regulator IC’s, the 7805 Voltage Regulator IC.
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