STMicroelectronics LM2931BDT50 Low Dropout Voltage Regulator

The LM2931BDT50 from STMicroelectronics is a robust, low dropout voltage regulator designed to provide a stable output voltage with a low drop of just 0.2V at a 100mA load. This regulator is part of the LM2931 series, which are specifically engineered for automotive and battery-powered systems that require optimum performance in low-voltage, high-current scenarios.

Key Features

• Output Voltage: 5V fixed output, providing a precise voltage for consistent operation.
• Output Current: Capable of delivering up to 100mA, suitable for a wide range of applications.
• Low Dropout: The low dropout voltage helps in maintaining regulation even when the supply voltage is very close to the output voltage.
• Thermal Shutdown: Integrated thermal shutdown feature protects the device from overheating and potential damage.
• Short Circuit Protection: Enhanced safety with built-in short circuit protection that guards against excessive current draw.
• Reverse Battery Protection: The device can withstand a reverse battery connection, which is critical for automotive applications.
• Wide Operating Temperature Range: Reliable performance across a broad temperature range from -40°C to +125°C, making it suitable for harsh environments.
• Low Quiescent Current: The regulator's quiescent current is low, which is ideal for battery-powered devices where power conservation is crucial.
• Package: Available in a TO-252 (DPAK) surface-mount package that is compact and suitable for automated assembly processes.

Applications

The LM2931BDT50 voltage regulator is particularly well-suited for automotive electronics, including car radios, control systems, and lighting. It is also applicable in portable devices, power supplies, and any other system that requires a reliable 5V supply with battery or transient-prone operations.

STMicroelectronics' commitment to quality ensures that the LM2931BDT50 voltage regulator meets the stringent requirements of the industry, providing designers with a dependable solution for their power management needs.