Texas Instruments

LP2981A-50DBVRG4

LP2981A-50DBVRG4 Description

The LP2981A-50DBVRG4 is a high-performance linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of 5V and a maximum output current of 100mA. This regulator is ideal for applications requiring a stable and reliable power supply. The device features a maximum input voltage of 16V and a dropout voltage of only 0.37V at 100mA, making it highly efficient even at low input-to-output voltage differentials. The LP2981A-50DBVRG4 is housed in a compact SOT23-5 package, suitable for surface-mount applications, and includes an enable control feature for added flexibility.

LP2981A-50DBVRG4 Features

• Output Type: Fixed at 5V, ensuring a stable power supply for various electronic circuits.
• Input Voltage Range: Up to 16V, providing compatibility with a wide range of input sources.
• Output Current: Capable of delivering up to 100mA, suitable for low to medium power applications.
• Low Dropout Voltage: Maximum dropout voltage of 0.37V at 100mA, enhancing efficiency and performance in low-voltage applications.
• Enable Control: Integrated enable feature allows for dynamic control of the regulator's operation, optimizing power consumption.
• Protection Features: Over-current, over-temperature, and short-circuit protection ensure robustness and reliability in diverse operating conditions.
• Low Quiescent Current: 95 µA quiescent current minimizes power loss during standby or low-load conditions.
• High Power Supply Rejection Ratio (PSRR): 63dB at 1kHz, effectively filtering out noise and ripple from the input voltage.
• Compliance: REACH unaffected and RoHS3 compliant, meeting stringent environmental and safety standards.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for storage and handling in various environments.
• Mounting Type: Surface mount, ideal for compact and space-constrained designs.
• Packaging: Tape & Reel (TR), facilitating automated assembly processes.

LP2981A-50DBVRG4 Applications

The LP2981A-50DBVRG4 is well-suited for a variety of applications where a stable and efficient power supply is crucial. Its low dropout voltage and fixed 5V output make it ideal for:

• Consumer Electronics: Powering sensitive electronic components in devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Providing a reliable power source for sensors, actuators, and microcontrollers in industrial automation systems.
• Medical Devices: Ensuring stable power delivery in medical equipment where precision and reliability are paramount.
• Telecommunications: Supplying power to low-power communication modules and IoT devices.
• Automotive Electronics: Suitable for automotive applications requiring a compact and efficient power solution.

Conclusion of LP2981A-50DBVRG4

The LP2981A-50DBVRG4 from Texas Instruments stands out as a versatile and efficient linear voltage regulator. Its combination of a fixed 5V output, low dropout voltage, and robust protection features make it a reliable choice for a wide range of applications. The enable control and low quiescent current further enhance its suitability for power-sensitive designs. With its compact SOT23-5 package and surface-mount compatibility, the LP2981A-50DBVRG4 is an excellent solution for modern electronic systems requiring a stable and efficient power supply.