STMicroelectronics L4931ABD33-TR Low Dropout Voltage Regulator

The L4931ABD33-TR from STMicroelectronics is a high-performance, low drop voltage regulator designed to provide a stable output voltage with a low drop of just 0.4V at 500mA load. This feature makes it an excellent choice for battery-powered devices where maximizing the battery life is crucial. The device is part of the L4931 series, known for its low dropout regulators, and comes in a robust DPAK (TO-252) surface-mount package, ensuring ease of integration into various circuit designs.

With an output voltage of 3.3V, the L4931ABD33-TR is suitable for powering low-voltage microcontrollers and other digital circuits that require a precise and stable power supply. The regulator has an impressive accuracy of ±0.5% at 25°C, which maintains the integrity of the power supply even under varying conditions. Additionally, this voltage regulator has a wide input voltage range from 4.5V to 20V, providing flexibility in various applications and ensuring compatibility with a broad range of input sources.

The L4931ABD33-TR also features an array of protective functions that safeguard the electronic components from damage. These include thermal shutdown, limiting the power dissipation to prevent overheating, and short-circuit protection, which protects the device from damage in the event of a fault. Moreover, the low dropout voltage regulator boasts a very low quiescent current of just 0.6mA, which is particularly beneficial for portable and battery-operated devices, as it minimizes the power drain when in standby mode.

STMicroelectronics has designed the L4931ABD33-TR with the environment in mind, ensuring it meets the RoHS directive and is free from lead and other hazardous substances. This commitment to environmental responsibility makes it a suitable option for use in consumer, industrial, and automotive applications where regulatory compliance is essential.

In summary, the L4931ABD33-TR low dropout voltage regulator is a reliable and efficient solution for a wide range of applications requiring a stable and precise voltage supply. Its combination of low power consumption, robust protection features, and environmental compliance makes it a smart choice for designers looking to enhance the performance and longevity of their electronic products.