STMicroelectronics L4931ABD80 Low Drop Voltage Regulator

The L4931ABD80 is a high-performance, low drop voltage regulator designed and manufactured by STMicroelectronics, a leader in the semiconductor industry. This regulator is specifically engineered to offer a stable and reliable power supply, making it an ideal choice for sensitive electronic applications that require a low voltage drop and minimal power dissipation.

This device is part of the L4931 series, which are known for their low dropout performance, providing an output voltage with a very small difference compared to the input voltage. The L4931ABD80 is capable of delivering up to 800 mA of output current, which is sufficient for a wide range of applications, from microcontrollers to peripheral devices.

The L4931ABD80 boasts an impressive low dropout voltage, typically around 400 mV at maximum output current, which helps in maintaining efficiency and reducing power loss in the system. This feature is particularly beneficial in battery-powered devices where extending the battery life is crucial.

With an adjustable output voltage range from 1.5 V to 12 V, the L4931ABD80 provides great flexibility, allowing designers to tailor the output to meet specific requirements of their application. Additionally, it comes with fixed output voltage versions, which are factory-set to popular voltage levels, simplifying the design process for standard uses.

One of the key safety features of the L4931ABD80 is its thermal overload protection, which prevents damage to the device in the event of excessive power dissipation. It also includes short-circuit protection and a shutdown feature for additional security, ensuring the regulator does not contribute to system failures under fault conditions.

The device is available in a range of packages, including TO-220, TO-92, and DPAK, providing flexibility in terms of mounting options and space requirements on the printed circuit board (PCB). The L4931ABD80's robust design and comprehensive protection features make it a reliable choice for mission-critical and everyday applications alike.

Whether you're designing power management systems for automotive electronics, portable devices, or sophisticated industrial equipment, the L4931ABD80 from STMicroelectronics offers the performance, versatility, and reliability to meet your needs.