Texas Instruments

LP2989ILD-5.0  

Linear & Switching Voltage Regulators

LP2989ILD-5.0 Description

The LP2989ILD-5.0 is a fixed-output linear voltage regulator designed by Texas Instruments, offering a robust and reliable solution for applications requiring a stable 5V output at up to 500mA. This regulator is housed in an 8-pin WSON package, making it suitable for surface-mount applications. Despite its status as an obsolete product, the LP2989ILD-5.0 remains a viable option for legacy systems and specific applications where its unique features are advantageous.

LP2989ILD-5.0 Features

The LP2989ILD-5.0 boasts several key features that make it a standout choice in its category:

• Fixed Output Voltage: The regulator provides a stable 5V output, ensuring consistent power supply to connected devices.
• High Input Voltage Range: With a maximum input voltage of 16V, the LP2989ILD-5.0 can handle a wide range of input sources, making it versatile for various applications.
• Low Dropout Voltage: At a maximum dropout voltage of 0.65V under a 500mA load, the regulator maintains high efficiency even under heavy load conditions.
• Low Quiescent Current: The 175 µA quiescent current ensures minimal power consumption in standby mode, enhancing overall system efficiency.
• High PSRR: The 60dB power supply rejection ratio at 1kHz helps in filtering out noise from the input supply, resulting in a cleaner output voltage.
• Protection Features: Integrated over-current, over-temperature, and short-circuit protection features safeguard the regulator and connected circuits from potential damage.
• Enable Control: The enable feature allows for dynamic control of the regulator's operation, providing flexibility in power management.
• Moisture Sensitivity Level: Rated at MSL 1 (Unlimited), the regulator is suitable for a wide range of environmental conditions without the need for special handling.

LP2989ILD-5.0 Applications

The LP2989ILD-5.0 is ideal for a variety of applications where a stable 5V supply is required. Some specific use cases include:

• Embedded Systems: Providing a reliable power supply for microcontrollers and other embedded components.
• Consumer Electronics: Ensuring stable power for devices such as portable audio players and digital cameras.
• Industrial Control Systems: Offering a robust power solution for sensors and actuators in industrial environments.
• Telecommunications: Supplying stable power to various components in communication equipment.
• Medical Devices: Ensuring reliable power for medical monitoring devices and diagnostic equipment.

Conclusion of LP2989ILD-5.0

The LP2989ILD-5.0 from Texas Instruments is a high-performance linear voltage regulator that offers a stable 5V output with a maximum current of 500mA. Its low dropout voltage, high PSRR, and comprehensive protection features make it a reliable choice for a wide range of applications. Despite being marked as obsolete, the LP2989ILD-5.0 remains a valuable component for legacy systems and specific applications where its unique features provide significant advantages.

LP2989ILD-5.0 Documents

Download datasheets and manufacturer documentation for LP2989ILD-5.0