STMicroelectronics L4931C50 Low Drop Voltage Regulator

The L4931C50 is a highly reliable low drop voltage regulator designed and manufactured by STMicroelectronics, a leader in the semiconductor industry. This regulator is specifically engineered to maintain a stable output voltage with a very low dropout voltage at up to 500 mA of output current. It is an ideal component for battery-powered devices, portable electronics, and other applications where voltage regulation with minimal power loss is crucial.

Key Features

• Low Dropout Voltage: The L4931C50 offers an extremely low dropout voltage, which enhances the efficiency of the system by allowing operations closer to the battery voltage.
• Output Current: Capable of delivering up to 500 mA, this regulator can support a wide range of applications that require a moderate amount of current.
• Output Voltage Options: The device provides a fixed output voltage of 5.0V, ensuring a stable power supply for sensitive electronics.
• Low Quiescent Current: Its low quiescent current makes it suitable for battery-powered applications, as it helps in prolonging the battery life.
• Thermal Overload Protection: The built-in thermal overload protection safeguards the device against excessive temperature and power dissipation, enhancing its reliability.
• Short Circuit Protection: The L4931C50 is also equipped with short circuit protection, which prevents damage to the device and the application in the event of a fault.
• TO-220 Package: The regulator is available in a TO-220 package, which is known for its ease of integration into various circuit designs and good thermal performance.

Applications

The versatility of the L4931C50 makes it suitable for a plethora of applications, including but not limited to:

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

In summary, the L4931C50 from STMicroelectronics is a top choice for designers seeking a dependable and efficient voltage regulator. Its low dropout performance, combined with protection features, makes it a robust solution for maintaining a consistent power supply in a wide array of electronic products.