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Description
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 1.5A. But, the IC suffers from heavy heat loss hence a Heatsink 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.
Features:
- 5V Positive Voltage Regulator
- Minimum Input Voltage is 7V
- Maximum Input Voltage is 25V
- Operating current(IQ) is 5mA
- Internal Thermal Overload and Short circuit current limiting protection is available.
- Junction Temperature maximum 125 degree Celsius
- Available in TO-220 and KTE package
Pin Details:
| Pin Number | Pin Name | Description |
| 1 | Input (V+) | Unregulated Input Voltage |
| 2 | Ground (Gnd) | Connected it to Ground |
| 3 | Output (Vo) | Outputs Regulated +5V |
7805 Voltage Regulator Equivalent: AN7705, AN7705F (Must use the insulating hardware supplied.), ECG1951, L4940V5 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), LF50CV, LM2937ET-5, LM2937ET-5.0, LM2940CT-5.0, LM2940T-5, LM2940T-5.0, LM2940T-5.0-LF, LM330, LM330T-5.0, NTE1951
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