Texas Instruments

LP2981IM5-2.5  

Linear & Switching Voltage Regulators

LP2981IM5-2.5 Description

The LP2981IM5-2.5 is a fixed-output linear regulator designed by Texas Instruments, offering a robust solution for power management applications requiring a stable 2.5V output voltage with a maximum output current of 100mA. This regulator is housed in a compact SOT23-5 package, making it suitable for space-constrained designs. The LP2981IM5-2.5 is designed to operate with an input voltage range up to 16V, ensuring compatibility with a wide range of power sources.

LP2981IM5-2.5 Features

• Output Type: Fixed at 2.5V, providing a stable voltage supply for sensitive electronic components.
• Input Voltage Range: Capable of handling input voltages up to 16V, offering flexibility in power source selection.
• Output Current: Delivers up to 100mA, suitable for low-power applications.
• Low Dropout Voltage: With a maximum dropout voltage of 0.37V at 100mA, the LP2981IM5-2.5 ensures efficient power conversion even at low input-to-output voltage differentials.
• Low Quiescent Current: Features a quiescent current of 95 µA, minimizing power consumption during operation.
• High PSRR: Achieves a power supply rejection ratio (PSRR) of 63dB at 1kHz, effectively filtering out noise from the power supply.
• Protection Features: Includes over-current, over-temperature, and short-circuit protection, enhancing reliability and durability.
• Enable Control: Offers an enable feature, allowing users to control the regulator's operation dynamically.
• Compliance: RoHS3 compliant and REACH unaffected, ensuring environmental and regulatory compliance.
• Mounting Type: Surface mount technology (SMT) with a moisture sensitivity level (MSL) of 1, making it suitable for automated assembly processes.

LP2981IM5-2.5 Applications

The LP2981IM5-2.5 is ideal for a variety of applications where a stable, low-power, and compact regulator is required. Some specific use cases include:

• Consumer Electronics: Ideal for portable devices such as smartphones, tablets, and wearables where space and power efficiency are critical.
• Industrial Equipment: Suitable for low-power sensors and IoT devices that require a reliable power source.
• Medical Devices: Applicable in medical equipment where low noise and stable voltage are essential for accurate measurements.
• Automotive Electronics: Can be used in automotive applications where a compact and efficient regulator is needed for various electronic modules.

Conclusion of LP2981IM5-2.5

The LP2981IM5-2.5 from Texas Instruments stands out as a versatile and efficient linear regulator, offering a fixed 2.5V output with a maximum current of 100mA. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for applications requiring high efficiency and minimal power loss. The inclusion of over-current, over-temperature, and short-circuit protection ensures robustness and reliability, making it suitable for a wide range of consumer, industrial, and medical applications. The compact SOT23-5 package and surface mount technology further enhance its appeal for modern, space-efficient designs.

LP2981IM5-2.5 Documents

Download datasheets and manufacturer documentation for LP2981IM5-2.5

PCN Assembly/Origin :

Additional Assembly sites 21/Sep/2021      

Datasheets :

LP2981 Datasheet      

PCN Obsolescence/ EOL :

EOL 18/Sept/2023      

HTML Datasheet :

LP2981 Datasheet      

PCN Design/Specification :

Copper Wire Update 12/Aug/2015