3-pin positive output voltage regulator (1 A type) Part AN7820 is manufactured by PAN (Panasonic). It is a positive voltage regulator IC with the following specifications:

- **Output Voltage:** +12V
- **Output Current:** Up to 1A
- **Input Voltage Range:** Up to 35V
- **Package Type:** TO-220
- **Operating Temperature Range:** 0°C to +125°C
- **Line Regulation:** 0.03% (Typical)
- **Load Regulation:** 0.1% (Typical)
- **Features:** Thermal overload protection, short-circuit protection, internal current limiting