The L4931ABDT80 is a robust, low-dropout linear voltage regulator designed and manufactured by STMicroelectronics, a global leader in semiconductor solutions. This component is engineered to provide a stable and reliable power supply in a wide array of electronic applications, particularly suitable for battery-powered devices where extended battery life is essential.

Key Features

• Output Voltage: The L4931ABDT80 offers a precise output voltage of 8.0V, making it ideal for consistent power supply requirements.
• Low Dropout Voltage: With a very low dropout voltage, this regulator maintains output regulation even when the input voltage is very close to the output voltage, enhancing efficiency and battery life.
• Current Capacity: Capable of delivering up to 250 mA of output current, this device can power a wide range of components.
• Low Quiescent Current: The quiescent current is as low as 500 µA, which is beneficial for power-sensitive applications by minimizing the power consumed when the device is in standby mode.
• Thermal Overload Protection: Built-in thermal overload protection safeguards the device from damage due to excessive power dissipation and high operating temperatures.
• Short Circuit Protection: The regulator also includes short circuit protection, enhancing its reliability and longevity by preventing damage from output short circuits.
• Package: Available in a TO-252 (DPAK) surface-mount package, the L4931ABDT80 is designed for compact PCB layouts and is suitable for automated assembly processes.

Applications

The L4931ABDT80 is versatile and can be used in various applications, including:

• Automotive electronics
• Battery-powered devices
• Portable and handheld equipment
• Microcontroller power supply
• Consumer electronics

In summary, the L4931ABDT80 from STMicroelectronics is a high-performance voltage regulator that offers reliability, energy efficiency, and protection features that are essential for modern electronic devices. Its low dropout voltage and quiescent current make it an excellent choice for designs where power efficiency is critical.