🔧 L7905 Linear Negative Voltage Regulator – Stable -5V Fixed Output
The L7905 is a linear negative voltage regulator from the 79xx series, designed to provide a stable and regulated -5V DC output from a negative input voltage source.
It is widely used in analog circuits, operational amplifier systems, audio electronics, and dual-supply power designs that require clean and reliable negative voltage.
The regulator supports up to 1A output current and includes built-in thermal shutdown, overcurrent protection, and short-circuit protection, ensuring safe and dependable operation.
Its TO-220 package allows easy mounting and supports heatsink installation for higher power dissipation.
✅ Specifications:
- Type: Linear Negative Voltage Regulator
- Model: L7905 / 7905
- Output Voltage: -5V Fixed
- Maximum Output Current: 1A
- Recommended Input Voltage: -7V to -30V DC
- Maximum Input Voltage: -35V
- Output Accuracy: ±4%
- Ripple & Noise: Low
- Protection Features:
- Thermal Shutdown
- Overcurrent Protection
- Short-Circuit Protection
- Package Type: TO-220
- Operating Temperature: 0°C to 125°C
- Weight: ≈ 2.5g
🔹 Key Features:
✔ Stable -5V output
✔ Ideal for analog and audio circuits
✔ Low-noise performance
✔ Built-in safety protections
✔ Supports dual power supply designs
📌 Common Applications:
- Operational amplifier circuits
- Audio signal processing
- Dual-supply power systems
- Analog electronics
- Linear power supplies
