7812 Positive Voltage Regulator 12V 1.5A TO-220
The 7812 Positive Voltage Regulator 12V 1.5A TO-220 is a three-terminal fixed +12V linear regulator supplied in a TO-220 through-hole package, designed to provide local on-card regulation with up to 1.5A output current and built-in protections including thermal shutdown, current limiting and safe-area protection for robust and reliable operation in consumer, industrial and embedded power systems.
7812 is part of a series of 78XX voltage regulators. For ICs within the family, the xx is replaced with two digits, indicating the output voltage (for example, the 7805 has a 5-volt output, while the 7812 produces 12 volts).
Features
- Output current capability up to 1.5A with internal current limiting and thermal shutdown.
- Safe Operating Area (SOA) protection for reliable operation under varying load and pulse conditions.
- Low dropout characteristic of approximately 2.0V at 1.0A for moderate headroom designs.
- Low quiescent supply current in the single-digit milliampere range for efficient operation.
- Excellent supply-rejection performance and low output noise suitable for analog circuits.
- Minimum load requirement of 5mA to maintain regulation.
- Standard TO-220 mounting for easy heatsinking and replacement.
PINOUT
| Pin Number | Pin Name | Description |
| 1 | Input (V+) | Unregulated Input Voltage |
| 2 | Ground (Gnd) | Connected to Ground |
| 3 | Output (Vo) | Outputs Regulated +12V |
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: | 12 V |
| Output Current: | 1.5 A |
| Output Type: | Fixed |
| Input Voltage, Min: | 14 V |
| Input Voltage, Max: | 35 V |
| Minimum Operating Temperature: | 0 C |
| Maximum Operating Temperature: | + 125 C |
| Load Regulation: | 100 mV |
| Line Regulation: | 120 mV |
Applications
- Circuits requiring a steady 12V supply
- Protection for devices having specific voltage sensitivity
- DIY projects requiring specific voltage from an existing higher/ varying voltage supply
Documents
| Datasheet | LM7812CV |
| CAD Files | Download |