L7812

The L7812 is a three-terminal positive voltage regulator that provides a fixed output voltage of +12V. This regulator is designed for stable and efficient voltage regulation, suitable for powering various electronic circuits and devices from a higher input voltage source. It can deliver up to 1.5A of current and includes internal protection features to ensure reliable operation.

Key Features:

• Fixed positive output voltage of +12V
• Capable of supplying up to 1.5A of current
• High voltage regulation with minimal dropout voltage
• Integrated thermal overload and short-circuit protection
• Easy to implement with minimal external components
• Suitable for use in power supplies and electronic circuits

Technical Specifications:

• Output Voltage: +12V
• Maximum Output Current: 1.5A
• Input Voltage Range: Up to +35V
• Dropout Voltage: 2V (typical)
• Line Regulation: 0.01% (typical)
• Load Regulation: 0.1% (typical)
• Package Type: TO-220, D2PAK

Applications:

• Positive voltage power supplies
• Voltage regulation in electronic devices
• Power management circuits requiring +12V output
• Replacement for linear power supply applications

Usage:

1. Connect the positive input voltage to the input terminal (IN).
2. Connect the output terminal (OUT) to the load or circuit requiring +12V.
3. Ensure the ground terminal (GND) is connected to the system ground.
4. Use a heatsink if needed to manage heat dissipation, especially under high load conditions.

Caution:

• Do not exceed the maximum input voltage rating.
• Ensure proper heat dissipation to avoid overheating.
• Verify correct polarity to prevent damage to the regulator and connected circuits.

Datasheet:
For detailed technical specifications, refer to the L7812 Datasheet.