Texas Instruments

LP2980AIM5X-4.7

LP2980AIM5X-4.7 Description

The LP2980AIM5X-4.7 is a fixed output linear regulator designed by Texas Instruments, offering a stable 4.7V output voltage with a maximum output current of 50mA. This regulator is housed in a compact SOT23-5 package, making it suitable for surface mount applications. Despite being marked as obsolete, it continues to be a reliable choice for various power management needs. The regulator features a low dropout voltage of 0.22V at 50mA, ensuring efficient operation even at low input voltages. With a maximum input voltage of 16V and a quiescent current of just 95 µA, the LP2980AIM5X-4.7 is designed for low power consumption and high efficiency. It also includes protection features such as over current, over temperature, and short circuit protection, enhancing its reliability and durability.

LP2980AIM5X-4.7 Features

• Fixed Output Voltage: The LP2980AIM5X-4.7 provides a stable 4.7V output, making it ideal for applications requiring a precise voltage supply.
• Low Dropout Voltage: With a maximum dropout voltage of 0.22V at 50mA, this regulator can maintain regulation even when the input voltage is close to the output voltage, improving overall efficiency.
• Low Quiescent Current: The regulator operates with a quiescent current of only 95 µA, minimizing power consumption and extending battery life in portable applications.
• Protection Features: Over current, over temperature, and short circuit protection ensure the regulator's longevity and reliability, safeguarding against common power-related issues.
• Enable Control: The enable feature allows for dynamic control of the regulator's operation, providing flexibility in power management.
• Compact Packaging: The SOT23-5 package is ideal for surface mount applications, conserving board space and facilitating integration into compact designs.
• High PSRR: A power supply rejection ratio (PSRR) of 63dB at 1kHz ensures that the output voltage remains stable even in the presence of input voltage noise.

LP2980AIM5X-4.7 Applications

The LP2980AIM5X-4.7 is well-suited for a variety of applications where a stable and efficient power supply is crucial. Its low dropout voltage and low quiescent current make it particularly ideal for battery-powered devices and portable electronics. Some specific use cases include:

• Battery-Powered Devices: The regulator's low dropout voltage and low quiescent current make it an excellent choice for extending battery life in portable devices such as smartphones, tablets, and wearable technology.
• Low Power Systems: Its compact size and surface mount compatibility make it suitable for integration into low power systems where space is limited.
• Industrial Applications: The protection features and high PSRR ensure reliable operation in industrial settings where power supply stability is critical.
• Consumer Electronics: The LP2980AIM5X-4.7 can be used in consumer electronics to provide a stable power supply for microcontrollers, sensors, and other low power components.

Conclusion of LP2980AIM5X-4.7

The LP2980AIM5X-4.7 from Texas Instruments is a robust and efficient linear regulator designed for applications requiring a stable 4.7V output. Its low dropout voltage, low quiescent current, and comprehensive protection features make it a reliable choice for a wide range of power management needs. Despite its obsolete status, the LP2980AIM5X-4.7 remains a viable option for designers seeking a compact, efficient, and reliable power solution. Its combination unique of performance benefits and protection features sets it apart from similar models, making it an ideal choice for battery-powered devices, low power systems, and other applications where efficiency and reliability are paramount.