The L4931ABD120 is a robust low drop voltage regulator designed and manufactured by STMicroelectronics, a global leader in semiconductor solutions. This regulator is part of the L4931 series, known for its high efficiency and reliability. The device is especially suited for battery-powered applications where extended battery life is essential.

Key Features

• Output Voltage: The L4931ABD120 provides a fixed output voltage of 1.2V, ideal for low-voltage electronics.
• Low Dropout Voltage: With its low dropout performance, it ensures efficient regulation even when the input voltage is close to the output voltage, minimizing power loss.
• High Accuracy: The output voltage is guaranteed with a high accuracy level, ensuring stable operation for sensitive electronic circuits.
• Current and Thermal Limiting: Built-in current limiting and thermal shutdown features protect the device and the application circuit from damage due to overload or overheating conditions.
• Low Quiescent Current: The L4931ABD120 exhibits an exceptionally low quiescent current, which is critical for power-sensitive applications, thereby enhancing battery life.

Applications

The versatility of the L4931ABD120 makes it suitable for a wide range of applications, including:

• Battery-powered devices
• Portable electronics
• Microcontroller power supply
• Low-power instrumentation
• Automotive electronics

Package and Quality

The L4931ABD120 is available in a compact DPAK package, allowing for efficient space utilization in PCB design. STMicroelectronics ensures that all their products meet the highest quality standards, and this voltage regulator is no exception. It is designed to operate over an industrial temperature range, making it suitable for harsh environments.

Conclusion

For designers looking for a reliable, efficient, and precise voltage regulation solution, the L4931ABD120 from STMicroelectronics is an excellent choice. Its low dropout voltage, high accuracy, and additional protective features make it a go-to component for a multitude of low-voltage applications.