L7905

The L7905 is a three-terminal negative voltage regulator designed to provide a fixed output of -5V. It is used to deliver a stable and regulated -5V from a higher input voltage source. The L7905 can supply up to 1.5A of current and is equipped with built-in thermal overload protection and short-circuit protection, ensuring reliable performance in various electronic circuits.

Key Features:

• Fixed negative output voltage of -5V
• Capable of providing up to 1.5A of current
• High voltage regulation with low dropout
• Built-in thermal overload and short-circuit protection
• Easy to use with minimal external components required
• Suitable for powering analog and digital circuits

Technical Specifications:

• Output Voltage: -5V
• 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:

• Negative voltage power supplies
• Voltage regulation for analog and digital circuits
• Power management in electronic devices
• Battery-operated circuits requiring -5V

Usage:

1. Connect the negative input voltage to the input terminal (IN).
2. Connect the output terminal (OUT) to the load or circuit needing the -5V output.
3. Ensure the ground terminal (GND) is connected to the system ground.
4. Use a heatsink if operating close to the maximum current to manage heat dissipation.

Caution:

• Ensure input voltage does not exceed the regulator’s maximum rating.
• Proper heat dissipation is necessary to prevent overheating.
• Verify polarity before connecting to avoid damage to the regulator and connected components.

Datasheet:
For detailed technical specifications, refer to the L7905 Datasheet.