Texas Instruments

LP2981A-28DBVT

LP2981A-28DBVT Description

The LP2981A-28DBVT is a high-performance linear regulator designed for a wide range of power management applications. Manufactured by Texas Instruments, this regulator is part of the Power Management Integrated Circuit (PMIC) category and is known for its robust performance and reliability. The device features a fixed output voltage of 2.8V and is capable of delivering up to 100mA of output current. With a maximum input voltage of 16V, the LP2981A-28DBVT ensures stable operation across various input conditions. Its low dropout voltage of 0.37V at 100mA allows for efficient power conversion even at low input-to-output voltage differentials.

LP2981A-28DBVT Features

• Output Type: Fixed
• Output Voltage: 2.8V
• Output Current: 100mA
• Input Voltage Range: Up to 16V
• Low Dropout Voltage: 0.37V at 100mA
• Quiescent Current: 95µA, ensuring high efficiency even at low load conditions
• Power Supply Current: 1.7mA
• PSRR: 63dB at 1kHz, providing excellent noise rejection
• Control Features: Enable function for flexible control
• Protection Features: Over-current, over-temperature, and short-circuit protection
• Package Type: SOT23-5, suitable for surface mount applications
• Compliance: ROHS3 compliant, REACH unaffected, and HTSUS code 8542.39.0001
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for a wide range of manufacturing environments

LP2981A-28DBVT Applications

The LP2981A-28DBVT is ideal for applications requiring a stable and efficient power supply with minimal dropout voltage. Its low quiescent current and high PSRR make it suitable for battery-powered devices and portable electronics where power efficiency and noise reduction are critical. The regulator's enable function allows for dynamic control, making it perfect for systems that require power sequencing or sleep modes. The over-current, over-temperature, and short-circuit protection features ensure robustness and reliability in demanding environments.

Conclusion of LP2981A-28DBVT

The LP2981A-28DBVT from Texas Instruments is a versatile and efficient linear regulator that stands out in its category. Its combination of a fixed 2.8V output, low dropout voltage, and low quiescent current makes it an excellent choice for applications where power efficiency and stability are paramount. The inclusion of advanced protection features and flexible control options further enhances its appeal. Whether used in portable devices, industrial systems, or any other application requiring a reliable power solution, the LP2981A-28DBVT delivers outstanding performance and reliability.