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.
7805 Pinout Configuration
| Pin Number | Pin Name | Description |
| 1 | Input (V+) | Unregulated Input Voltage |
| 2 | Ground (Gnd) | Connected to Ground |
| 3 | Output (Vo) | Outputs Regulated +5V |
Technical Specifications
| Physical | |
| Case/Package | TO-220 |
| Contact Plating | Gold |
| Mount | Through Hole |
| Number of Pins | 3 |
| Technical | |
| Dropout Voltage | 2 V |
| Max Input Voltage | 35 V |
| Max Operating Temperature | 125 °C |
| Max Output Current | 1.5 A |
| Min Input Voltage | 7 V |
| Min Operating Temperature | 0 °C |
| Min Output Voltage | 4.65 V |
| Nominal Output Voltage | 5 V |
| Number of Channels | 1 |
| Number of Outputs | 1 |
| Number of Regulators | 1 |
| Output Current | 1.5 A |
| Output Type | Fixed |
| Output Voltage | 5 V |
| Polarity | Positive |
| Quiescent Current | 8 mA |
| Tolerance | 5 % |
Note: Complete Technical Details can be found on the 7805 datasheet given at the end of this page.
7805 Applications
- Constant +5V output regulator to power microcontrollers and sensors in most of the projects
- Adjustable Output Regulator
- Current Limiter for certain applications
- Regulated Dual Supply
- Output Polarity-Reversal-Protection Circuit
