LM7805 is one of the most commonly used Positive Regulator in Electronic circuits to lower down the voltage from the higher input voltage and it provides a regulated output of +5V with 2% regulation. This regulator has a ~2.5V linear drop-out. That means it must get at least +7V to get a clean +5V out. It dissipates the excess voltage in the form of heat, so you need to use a heat sink along with it to make sure it is working properly. There is a constant ‘quiescent’ current draw of 6mA. It has 3 terminals in the TO-220 package and it can handle up to 1A current. It is commonly used in Regulated power supply, as a current limiter in certain applications, constant 5V supply in many microcontrollers, sensors, and electronic appliances, etc. If you want a negative -5V Voltage Regulator, check out LM7905 IC.
Specifications
- Output voltage: 5v
- Dropout voltage (Max): 2.5v @ 1A
- Output Current: 1.5 A
- Load regulation: 100 mv
- Line Regulation: 50 mv
- Maximum Operating Temp: 150 c
- Minimum operating Temp: 0 c
- Mounting Style: Through hole
- Package: TO-220
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