STMicroelectronics L4931CD80-TR Low Dropout Voltage Regulator

The L4931CD80-TR from STMicroelectronics is a highly reliable and robust low dropout voltage regulator designed to deliver a stable and precise output voltage. This component is particularly well-suited for battery-powered devices, automotive applications, and other systems requiring efficient power management and minimal power loss.

Key Features

• Output Voltage: The device provides a fixed output voltage of 8.0V, making it ideal for circuits that require a stable supply voltage.
• Low Dropout Voltage: It boasts a low dropout voltage, ensuring efficient operation even when the input voltage is very close to the output voltage, which is crucial for maximizing battery life in portable applications.
• High Accuracy: The output voltage tolerance is within ±1%, which guarantees a reliable and consistent performance for sensitive electronic components.
• Current Supply: The L4931CD80-TR can supply up to 250 mA of output current, catering to a broad range of low-power devices.
• Thermal Overload Protection: The built-in thermal shutdown feature protects the device from damage due to overheating, enhancing its longevity and reliability.
• Short Circuit Protection: With its short-circuit protection, the regulator prevents potential damage to the circuitry in the event of a fault or an overload condition.
• Low Quiescent Current: The device has a very low quiescent current, which is particularly beneficial for battery-operated devices where power conservation is critical.

Applications

The L4931CD80-TR is versatile and can be used in a variety of applications, including:

• Automotive electronics
• Battery-powered equipment
• Portable devices
• Microcontroller power supply
• Power management for peripheral devices

Package and Availability

The voltage regulator is available in a compact SO-8 package, which is suitable for space-constrained applications. Its tape and reel packaging (TR suffix) facilitates automated assembly processes, making it a convenient choice for mass production. The L4931CD80-TR is a testament to STMicroelectronics' commitment to providing high-quality power management solutions that meet the needs of modern electronic systems.