Texas Instruments

LP2989ILDX-5.0  

Linear & Switching Voltage Regulators

LP2989ILDX-5.0 Description

The LP2989ILDX-5.0 is a fixed-output linear voltage regulator designed by Texas Instruments, offering a robust and reliable solution for a wide range of electronic applications. This regulator is part of the Linear & Switching Voltage Regulators category and is known for its high performance and efficiency. The LP2989ILDX-5.0 features a maximum input voltage of 16V and is capable of delivering a stable 5V output at a maximum current of 500mA. Its low dropout voltage of 0.65V at 500mA ensures efficient operation even at low input-to-output differentials, making it suitable for battery-powered devices and other applications where input voltage may vary.

LP2989ILDX-5.0 Features

The LP2989ILDX-5.0 stands out with several key features that enhance its performance and versatility:

• Fixed Output Voltage: Provides a stable 5V output, ensuring consistent power supply to connected devices.
• Low Dropout Voltage: With a maximum dropout voltage of 0.65V at 500mA, it maintains high efficiency even when the input voltage is close to the output voltage.
• Enable Control Feature: Offers enable functionality, allowing users to turn the regulator on or off as needed, which is particularly useful for power management in complex systems.
• Protection Features: Includes over-current, over-temperature, and short-circuit protection, safeguarding the regulator and connected components from potential damage.
• Low Quiescent Current: Consumes only 175 µA in quiescent mode, minimizing power loss and extending battery life in portable applications.
• High PSRR: Achieves a power supply rejection ratio (PSRR) of 60dB at 1kHz, effectively filtering out noise from the input supply and ensuring clean output voltage.
• Surface Mount Packaging: Available in an 8-lead WSON package, it is suitable for surface mount technology (SMT) processes, facilitating compact and efficient PCB designs.
• Moisture Sensitivity Level: MSL 1 (Unlimited), indicating that the component is not sensitive to moisture, which is beneficial for manufacturing processes and long-term reliability.

LP2989ILDX-5.0 Applications

The LP2989ILDX-5.0 is ideal for a variety of applications, including:

• Consumer Electronics: Suitable for powering portable devices such as smartphones, tablets, and digital cameras, where stable voltage and low power consumption are critical.
• Industrial Equipment: Can be used in industrial control systems, sensors, and instrumentation where reliable power supply and protection features are essential.
• Telecommunications: Ideal for powering communication modules and base stations, ensuring stable operation under varying input voltage conditions.
• Medical Devices: Applicable in medical equipment where low noise and high reliability are required, such as portable monitors and diagnostic tools.

Conclusion of LP2989ILDX-5.0

The LP2989ILDX-5.0 from Texas Instruments is a high-performance linear voltage regulator that offers a fixed 5V output with a maximum current of 500mA. Its low dropout voltage, enable control feature, and comprehensive protection mechanisms make it a versatile and reliable choice for a wide range of applications. Despite its obsolete status, the LP2989ILDX-5.0 remains a valuable component for designers seeking a stable and efficient power solution. Its compatibility with surface mount technology and robust protection features ensure ease of integration and long-term reliability in various electronic systems.

LP2989ILDX-5.0 Documents

Download datasheets and manufacturer documentation for LP2989ILDX-5.0

Datasheets :

LP2989 Datasheet