The L79L05AC from STMicroelectronics is a fixed-output, negative voltage regulator that is designed to offer a complement to the popular 78 series of positive voltage regulators. This device provides a fixed output voltage of -5V, making it an ideal component for a wide range of power supply applications where a stable negative voltage is required.
Key Features
- Output Voltage: -5V with a precision of 4% at 25°C, ensuring reliable operation in various applications.
- Output Current: Up to 100mA, which is suitable for low power consumption devices.
- Thermal Overload Protection: The built-in thermal shutdown feature prevents damage from overheating, enhancing the longevity of the regulator.
- Short Circuit Protection: Offers safety and reliability by protecting the device and the circuit from short-circuit conditions.
- Wide Operating Temperature Range: Can function reliably over a temperature range of -40°C to 125°C, making it versatile for various environmental conditions.
- Package Options: Available in multiple package types including TO-92, SO-8, and SOT-89, providing flexibility for different design requirements.
Applications
The L79L05AC is widely used in a variety of electronic circuits. It is particularly useful in applications that require a stable negative reference voltage. Common applications include:
- Power supplies for operational amplifiers
- Instrumentation and control systems
- Automotive electronics
- Battery-powered devices
- Consumer electronics
Conclusion
The L79L05AC negative voltage regulator is a robust and reliable component that offers a simple solution for generating a constant -5V supply. With its built-in protection features and wide operating temperature range, it is an excellent choice for designers who require a dependable negative voltage source. STMicroelectronics' commitment to quality ensures that this voltage regulator is a trustworthy and efficient choice for your power supply needs.
