The L4931ABV50 is a highly reliable, low drop voltage regulator designed to deliver a fixed output of 5.0 volts with an input voltage ranging from 6V to 20V. Manufactured by STMicroelectronics, a leader in semiconductor solutions, this voltage regulator is part of the L4931 series known for its low dropout performance and power efficiency.

Key Features

• Low Dropout Voltage: The device boasts a low dropout voltage, making it efficient for systems where the difference between the input voltage and the output voltage is minimal.
• High Output Current: Capable of supplying up to 250mA, the L4931ABV50 is suitable for a variety of low-power applications.
• Low Quiescent Current: With a low quiescent current of typically 0.4mA, it is ideal for battery-powered devices, ensuring minimal power consumption when in standby mode.
• Thermal Overload Protection: The built-in thermal overload protection safeguards the device against excessive temperature and power dissipation.
• Short Circuit Protection: The regulator also includes short circuit protection, enhancing the safety and reliability of the application it is used in.
• TO-92 Package: Encased in a TO-92 package, the L4931ABV50 is compact and suitable for through-hole mounting, which is beneficial for prototyping and production.

Applications

The versatility of the L4931ABV50 makes it an excellent choice for a wide array of applications, including:

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

Conclusion

With its combination of low dropout voltage, high output current, and protective features, the STMicroelectronics L4931ABV50 is a robust solution for designers seeking a reliable voltage regulator for their low-power applications. The device's power-saving features and compact form factor make it a smart choice for both hobbyists and professional engineers alike.