Texas Instruments

LP2989AIMM-3.3/NOPB  

Linear & Switching Voltage Regulators

LP2989AIMM-3.3/NOPB Description

The LP2989AIMM-3.3/NOPB is a fixed-output linear regulator designed by Texas Instruments, offering a stable 3.3V output voltage with a maximum output current of 500mA. This regulator is housed in an 8-pin VSSOP package, making it suitable for surface-mount applications. It features a maximum input voltage of 16V and a dropout voltage of 0.65V at 500mA, ensuring efficient operation even under varying input conditions. The regulator's quiescent current is a low 175µA, contributing to its energy-efficient performance. Additionally, it includes an enable control feature and comprehensive protection mechanisms such as over-current, over-temperature, and short-circuit protection.

LP2989AIMM-3.3/NOPB Features

• Fixed Output Voltage: The regulator maintains a precise 3.3V output, ideal for applications requiring a stable power supply.
• High Input Voltage Range: With a maximum input voltage of 16V, the LP2989AIMM-3.3/NOPB can accommodate a wide range of input sources.
• Low Dropout Voltage: The maximum dropout voltage of 0.65V at 500mA ensures efficient operation, even when the input voltage is close to the output voltage.
• Low Quiescent Current: A quiescent current of 175µA minimizes power consumption, making it suitable for low-power applications.
• Enable Control: The enable feature allows for dynamic control of the regulator's operation, enhancing flexibility in system design.
• Protection Features: Over-current, over-temperature, and short-circuit protection ensure robustness and reliability in various operating conditions.
• Compliance: The regulator is REACH unaffected and RoHS3 compliant, meeting environmental and regulatory standards.
• Moisture Sensitivity Level: MSL 1 (Unlimited) ensures the component is suitable for a wide range of manufacturing environments.

LP2989AIMM-3.3/NOPB Applications

The LP2989AIMM-3.3/NOPB is well-suited for a variety of applications requiring a stable 3.3V power supply. Its low dropout voltage and low quiescent current make it ideal for battery-powered devices and portable electronics where efficiency and longevity are critical. The regulator's robust protection features and wide input voltage range also make it suitable for industrial control systems, where reliability and versatility are paramount. Additionally, its surface-mount package and enable control feature make it a versatile choice for modern electronics designs.

Conclusion of LP2989AIMM-3.3/NOPB

The LP2989AIMM-3.3/NOPB from Texas Instruments is a reliable and efficient fixed-output linear regulator, offering a stable 3.3V output with a maximum current of 500mA. Its low dropout voltage and low quiescent current ensure high efficiency, making it ideal for low-power applications. The regulator's comprehensive protection features and enable control provide enhanced flexibility and reliability. Despite being marked as obsolete, the LP2989AIMM-3.3/NOPB remains a valuable component for applications requiring a stable and efficient power supply.

LP2989AIMM-3.3/NOPB Documents

Download datasheets and manufacturer documentation for LP2989AIMM-3.3/NOPB

PCN Assembly/Origin :

Mult Dev Fab Site REV 2/Mar/2018      

Datasheets :

LDO Solutions Selection Wheel       LP2989 Datasheet      

Other Related Documents :

Power Management Guide       LDOs Quick Reference Guide      

PCN Obsolescence/ EOL :

Mult Dev obs 13/Oct/2022      

HTML Datasheet :

LDOs Quick Reference Guide      

PCN Design/Specification :

Copper Wire Update 12/Aug/2015