7815 is a fixed-voltage integrated-circuit voltage regulator designed for a wide range of applications. 7805 voltage regulator provides 15V Positive voltage as output to provide a convenient power source for most TTL components. 7815 voltage regulator is available in TO-220 package.
7815 Pinout Configuration
|
Pin Number |
Pin Name |
Description |
|
1 |
Input (V+) |
Unregulated Input Voltage |
|
2 |
Ground |
Connected to Ground |
|
3 |
Output (Vo) |
Outputs Regulated +5V |
7815 Regulator Features
- 15V Positive Voltage Regulator
- Maximum Input Voltage is 35V
- Output Current: 1.5 A
- Internal Thermal Overload and Short circuit current limiting protection is available.
- Junction Temperature maximum of 125 degree Celsius
- Available in TO-220
Specifications:
| Product Attribute | Attribute Value |
| Product Category: | Linear Voltage Regulators |
| Mounting Style: | Through Hole |
| Package/Case: | TO-220 |
| Number of Outputs: | 1 Output |
| Polarity: | Positive |
| Output Voltage: | 15 V |
| Output Current: | 1.5 A |
| Output Type: | Fixed |
| Minimum Operating Temperature: | 0 C |
| Maximum Operating Temperature: | + 125 C |
| Load Regulation: | 100 mV |
| Line Regulation: | 150 mV |
| Quiescent Current: | 4.4 mA |
| Series: | L78 |
Note: Complete technical details can be found in the 7815 datasheet given at the end of this page.
Brief Description of 7815 Voltage Regulator IC
Voltage regulators are very common in electronic circuits. They provide a constant output voltage for a varied input voltage. The name 7815 signifies two meanings, “78” means that it is a positive voltage regulator and “15” means that it provides 15V as output. So our 7805 will provide a +15V output voltage.
The output current of this IC can go up to 1.5A. 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 20V and you are consuming 1A, then (20-5) * 1 = 15W. This 15 Watts will be dissipated as heat.
7815 Applications
- Constant +15V 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
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