The 7805 Voltage Regulator IC is a commonly used voltage regulator that finds its application in most of the electronics projects. It provides a constant +5V output voltage for a variable input voltage supply.
5V Positive Voltage Regulator
Minimum Input Voltage is 7V
Maximum Input Voltage is 25V
Operating current(IQ) is 5mA
With the addition of heat sink, this IC can control output current at around 1.0 A.
Internal Thermal Overload and Short circuit current limiting protection is available.
Junction Temperature maximum 125 degree Celsius
7805 is an IC used for voltage regulation and comes in TO-220 version.
Voltage regulators are very common in electronic circuits. They provide a constant output voltage for a varied input voltage. In our case the 7805 IC is an iconic regulator IC that finds its application in most of the projects. The name 7805 signifies two meaning, “78” means that it is a positive voltage regulator and “05” means that it provides 5V as output. So our 7805 will provide a +5V output voltage.
The output current of this IC can go up to 1.0A. But, the IC suffers from heavy heat loss hence a Heat sink is recommended for projects that consume more current. For example if the input voltage is 12V and you are consuming 1A, then (12-5) * 1 = 7W. This 7 Watts will be dissipated as heat.
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