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LM2931AD2T-5.0R4

LM2931AD2T-5.0R4 Description

The LM2931AD2T-5.0R4 is a fixed-output linear regulator designed for high performance and reliability in power management applications. Manufactured by onsemi, this regulator offers a maximum input voltage of 26V and a fixed output voltage of 5V, capable of delivering up to 100mA of output current. The device features a low dropout voltage of 0.6V at 100mA, ensuring efficient operation even under low input-to-output voltage differentials. The regulator is housed in a surface-mount D2PAK package, making it suitable for compact and high-density designs. Despite its small form factor, the LM2931AD2T-5.0R4 provides robust protection features, including over-current and over-temperature protection, ensuring safe operation under various conditions.

LM2931AD2T-5.0R4 Features

• Fixed Output Voltage: The LM2931AD2T-5.0R4 provides a stable 5V output, making it ideal for applications requiring a consistent power supply.
• High Input Voltage Range: With a maximum input voltage of 26V, this regulator can handle a wide range of input voltages, offering flexibility in power supply design.
• Low Dropout Voltage: The maximum dropout voltage of 0.6V at 100mA ensures high efficiency, especially in applications where the input voltage is close to the output voltage.
• Low Quiescent Current: The regulator operates with a quiescent current of only 1mA, minimizing power consumption during standby or low-load conditions.
• High PSRR: The 90dB power supply rejection ratio at 120Hz ensures excellent noise filtering, providing a clean output voltage for sensitive applications.
• Protection Features: Over-current and over-temperature protection mechanisms safeguard the device and connected circuits from damage.
• Moisture Sensitivity Level: MSL 1 (Unlimited) indicates that the device is not sensitive to moisture, making it suitable for a wide range of environmental conditions.
• Mounting Type: The surface-mount D2PAK package allows for easy integration into modern, compact electronic designs.
• Packaging: Available in tape and reel (TR) packaging, facilitating automated assembly processes.

LM2931AD2T-5.0R4 Applications

The LM2931AD2T-5.0R4 is well-suited for a variety of applications where a stable and efficient power supply is required. Its fixed 5V output and low dropout voltage make it ideal for:

• Consumer Electronics: Powering devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Providing reliable power to sensors, controllers, and other electronic components in industrial settings.
• Automotive Systems: Ensuring stable power supply for infotainment systems, electronic control units, and other automotive electronics.
• Medical Devices: Supplying power to medical instruments and equipment where reliability and low noise are critical.
• Telecommunications: Powering base stations, routers, and other communication equipment.

Conclusion of LM2931AD2T-5.0R4

The LM2931AD2T-5.0R4 is a versatile and reliable linear regulator that offers a combination of high performance and robust protection features. Its fixed 5V output, low dropout voltage, and low quiescent current make it an excellent choice for applications requiring efficient and stable power supply solutions. Despite being marked as obsolete, the LM2931AD2T-5.0R4 remains a valuable component for designers seeking a proven and reliable power management solution. Its compatibility with a wide range of input voltages and its surface-mount package make it easy to integrate into modern electronic designs, ensuring continued relevance in the electronics industry.