Texas Instruments

LP2981A-28DBVR  

Linear & Switching Voltage Regulators

LP2981A-28DBVR Description

The LP2981A-28DBVR is a fixed output linear voltage regulator from Texas Instruments, designed to provide a stable 2.8V output voltage with a maximum output current of 100mA. This regulator is housed in a compact SOT23-5 package, making it ideal for space-constrained applications. The device features a low dropout voltage of 0.37V at 100mA, ensuring efficient operation even with a small difference between the input and output voltages. The LP2981A-28DBVR also includes an enable control feature, allowing for dynamic power management and reduced power consumption in standby mode.

LP2981A-28DBVR Features

• Output Type: Fixed 2.8V output voltage, ensuring consistent power supply to sensitive electronic components.
• Input Voltage Range: Capable of handling input voltages up to 16V, providing flexibility power in source selection.
• Output Current: Delivers a maximum of 100mA, suitable for low-power applications.
• Low Dropout Voltage: 0.37V at 100mA, enabling efficient operation with minimal power loss.
• Enable Control: Integrated enable feature allows for dynamic control of the regulator's operation, enhancing power management capabilities.
• Protection Features: Over-current, over-temperature, and short-circuit protection ensure robustness and reliability in various operating conditions.
• Low Quiescent Current: 95 µA quiescent current minimizes power consumption during normal operation.
• High PSRR: 63dB at 1kHz, providing excellent noise rejection and stable output voltage.
• Compliance: RoHS3 compliant and REACH unaffected, ensuring environmental and regulatory standards are met.
• Mounting Type: Surface mount technology (SOT23-5) for easy integration into printed circuit boards.

LP2981A-28DBVR Applications

The LP2981A-28DBVR is well-suited for a variety of applications requiring a stable and efficient power supply. Its low dropout voltage and compact size make it ideal for battery-operated devices, portable electronics, and IoT devices where space and power efficiency are critical. The enable control feature is particularly beneficial in applications where power management is essential, such as in sleep mode or low-power standby states. The regulator's robust protection features also make it suitable for industrial and automotive applications where reliability and durability are paramount.

Conclusion of LP2981A-28DBVR

The LP2981A-28DBVR from Texas Instruments is a high-performance linear voltage regulator that offers a combination of efficiency, flexibility, and reliability. Its low dropout voltage, fixed 2.8V output, and enable control feature make it an excellent choice for low-power applications where space and power efficiency are crucial. The inclusion of over-current, over-temperature, and short-circuit protection ensures that the regulator can withstand various operating conditions, making it a reliable solution for both consumer and industrial applications. With its compact SOT23-5 package and surface mount technology, the LP2981A-28DBVR is easy to integrate into a wide range of electronic designs, providing a stable and efficient power supply solution.

LP2981A-28DBVR Documents

Download datasheets and manufacturer documentation for LP2981A-28DBVR

PCN Assembly/Origin :

Additional Assembly sites 21/Sep/2021      

Datasheets :

LP2981A-29DBVT      

PCN Obsolescence/ EOL :

EOL 25/Sept/2023      

PCN Design/Specification :

SOT23, VSSOP Cu Wire 28/Jun/2013       Copper Wire Revision C 24/Sep/2014