STMicroelectronics LM2931AD33R Voltage Regulator

The LM2931AD33R is a robust low-dropout voltage regulator (LDO) designed by STMicroelectronics, a leader in semiconductor solutions. This regulator is specifically engineered to maintain a stable 3.3V output voltage, making it an ideal choice for low-power electronics that require a consistent power supply.

Key Features

• Output Voltage: Precisely regulated 3.3V output, which is essential for consistent performance in digital and analog circuits.
• Low Dropout: Capable of maintaining regulation with a very small difference between the input voltage and the output voltage, enhancing efficiency in systems where the supply voltage is limited.
• Output Current: Offers up to 100mA of output current, suitable for a wide range of low-power applications.
• Thermal Shutdown: Includes a built-in thermal shutdown feature to protect the device from overheating, thereby ensuring long-term reliability.
• Current Limiting: Integrated current limiting functionality helps prevent damage to the regulator and the downstream circuitry in case of a fault condition.
• Low Quiescent Current: Exhibits low quiescent current, which is beneficial for battery-operated devices, as it helps in extending battery life.

Applications

The LM2931AD33R is versatile and can be used in a variety of applications, including:

• Automotive electronics
• Battery-powered devices
• Portable instruments
• Microcontroller power supply
• Low-power industrial applications

Package and Quality

This voltage regulator comes in an 8-pin SOIC package, which is widely used and suitable for automated assembly processes. The LM2931AD33R is also characterized by its robustness, meeting the high-quality standards set by STMicroelectronics, which ensures stable operation even under harsh conditions.

Overall, the LM2931AD33R from STMicroelectronics is a reliable and efficient solution for applications requiring a stable 3.3V power supply with a low dropout voltage and robust protection features.