STMicroelectronics

LM2931BV50  

Linear & Switching Voltage Regulators

LM2931BV50 Description

The LM2931BV50 is a fixed output linear voltage regulator designed by STMicroelectronics, offering a regulated 5V output with a maximum output current of 100mA. This regulator is housed in a TO220AB package, making it suitable for through-hole mounting. Despite being marked as obsolete, the LM2931BV50 remains a reliable choice applications for requiring a stable 5V supply. The regulator features a maximum input voltage of 26V and a dropout voltage of 0.6V at 100mA, ensuring efficient operation even under varying input conditions. With a quiescent current of just 1mA and a supply current of up to 30mA, the LM2931BV50 is designed for low power consumption. It also includes over-current and over-temperature protection, enhancing its reliability and safety in various electronic systems.

LM2931BV50 Features

• Fixed Output Voltage: Provides a stable 5V output, ideal for powering microcontrollers, sensors, and other low-power devices-.
  High Input Voltage Range: Capable of handling input voltages up to 26V, making it versatile for a wide range of power supply scenarios.
• Low Dropout Voltage: With a maximum dropout voltage of 0.6V at 100mA, the regulator maintains efficiency even at low input-to-output voltage differentials.
• Low Quiescent Current: A quiescent current of only1 mA ensures minimal power consumption during standby or low-load conditions.
• Protection Features: Over-current and over-temperature protection safeguard the regulator and connected circuits from damage.
• Through-Hole Mounting: The TO220AB package is suitable for through-hole mounting, facilitating easy integration into PCB designs.
• Regulatory Compliance: The LM2931BV50 is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards.

LM2931BV50 Applications

The LM2931BV50 is well-suited for a variety of applications where a stable 5V supply is required. Its dropout low voltage and low quiescent current make it particularly useful in battery-powered devices, where efficiency is crucial. Some specific use cases include:

• Microcontroller Power Supplies: Providing a stable 5V supply to microcontrollers and other low-power embedded systems.
• Sensor Systems: Ensuring reliable power for sensors in industrial and consumer applications.
• Portable Electronics: Ideal for battery-operated devices where minimal power consumption is essential.
• Automotive Electronics: Suitable for automotive applications requiring a stable 5V supply, such as dashboard electronics and infotainment systems.
• Telecommunications: Powering low-voltage components in telecommunication infrastructure.

Conclusion of LM2931BV50

The LM2391BV50 is a robust and reliable linear voltage regulator that offers a stable 5V output with efficient power management features. Despite its obsolete status, its low dropout voltage, low quiescent current, and protection features make it a valuable component for various applications. Its compliance with environmental and safety standards ensures it remains a viable choice for designers and engineers. Whether powering microcontrollers, sensors, or other low-power devices, the LM2931BV50 stands out as a dependable solution in the industry electronics.

LM2931BV50 Documents

Download datasheets and manufacturer documentation for LM2931BV50