Texas Instruments

LP2989AIM-5.0  

Linear & Switching Voltage Regulators

LP2989AIM-5.0 Description

The LP2989AIM-5.0 is a fixed-output linear regulator designed by Texas Instruments, offering a robust and efficient solution for power management applications. This device is part of the Power Management IC (PMIC) category and is housed in an 8SOIC package, making it suitable for surface-mount applications. With a maximum input voltage of 16V and a fixed output voltage of 5V, it is capable of delivering up to 500mA of current. The LP2989AIM-5.0 features a low dropout voltage of 0.65V at 500mA, ensuring high efficiency even at low input-to-output voltage differentials. It also includes an enable control feature, providing additional flexibility in system design.

LP2989AIM-5.0 Features

• Fixed Output Voltage: The LP2989AIM-5.0 provides a stable 5V output, making it ideal for applications requiring a consistent power supply.
• High Efficiency: With a maximum dropout voltage of 0.65V at 500mA, this regulator maintains high efficiency across a wide range of input voltages.
• Low Quiescent Current: The device operates with a quiescent current of only 175 µA, minimizing power consumption in standby mode.
• Protection Features: Over-current, over-temperature, and short-circuit protections ensure reliable operation and safeguard against potential faults.
• Enable Control: The enable feature allows for dynamic control of the regulator's operation, enhancing system flexibility and power management.
• High PSRR: A power supply rejection ratio (PSRR) of 60dB at 1kHz helps in filtering out noise from the input supply, ensuring clean output voltage.
• Compliance: The LP2989AIM-5.0 is REACH unaffected and RoHS3 compliant, meeting stringent environmental and safety standards.

LP2989AIM-5.0 Applications

The LP2989AIM-5.0 is well-suited for a variety of applications where a reliable and efficient power supply is critical. Its fixed 5V output and 500mA current capability make it ideal for powering microcontrollers, sensors, and other low-power electronic devices. The low dropout voltage ensures that it can operate efficiently even when the input voltage is close to the output voltage, making it suitable for battery-powered applications. The enable control feature allows for dynamic power management, which is beneficial in systems where power consumption needs to be minimized during idle periods. Additionally, the high PSRR helps in maintaining a clean output voltage, which is crucial for sensitive electronic circuits.

Conclusion of LP2989AIM-5.0

The LP2989AIM-5.0 from Texas Instruments is a versatile and efficient linear regulator designed for modern power management applications. Its fixed 5V output, low dropout voltage, and low quiescent current make it an excellent choice for a wide range of electronic devices, particularly those requiring stable power and minimal power consumption. The inclusion of enable control and robust protection features further enhances its utility in various applications. With its compliance to environmental and safety standards, the LP2989AIM-5.0 ensures that it meets the demands of both performance and sustainability in the electronics industry.

LP2989AIM-5.0 Documents

Download datasheets and manufacturer documentation for LP2989AIM-5.0

PCN Assembly/Origin :

Mult Devices Fab Site 02/Mar/2018      

Datasheets :

LP2989 Datasheet      

Other Related Documents :

Power Management Guide       LDOs Quick Reference Guide      

PCN Obsolescence/ EOL :

EOL 18/Sept/2023      

HTML Datasheet :

LDOs Quick Reference Guide      

PCN Design/Specification :

Copper Wire Update 12/Aug/2015