Texas Instruments

LP2954AIMX  

Linear & Switching Voltage Regulators

LP2954AIMX Description

The LP2954AIMX is a linear positive adjustable voltage regulator from Texas Instruments, designed to provide a stable and reliable power supply for a variety of electronic applications. This regulator features an adjustable output voltage range from 1.23V to 29V, making it highly versatile for different power requirements. It can deliver a maximum output current of 250mA while maintaining a low dropout voltage of 0.8V at 250mA, ensuring efficient operation even at low input-to-output voltage differentials.

The LP2954AIMX is housed in an 8SOIC package, which is suitable for surface mount applications, providing a compact and robust solution for space-constrained designs. It includes several protection features such as over-current, over-temperature, and reverse polarity protection, enhancing the reliability and safety of the power supply system. Additionally, the regulator offers an enable control feature, allowing users to turn the regulator on and off as needed.

LP2954AIMX Features

• Adjustable Output Voltage: The LP2954AIMX provides an adjustable output voltage range from 1.23V to 29V, offering flexibility to meet various power requirements.
• High Efficiency: With a low dropout voltage of 0.8V at 250mA, the regulator maintains high efficiency, especially in applications where the input voltage is close to the output voltage.
• Protection Features: The regulator includes over-current, over-temperature, and reverse polarity protection, ensuring robustness and reliability in diverse operating conditions.
• Enable Control: The enable feature allows for dynamic control of the regulator, enabling power-saving modes and controlled startup/shutdown sequences.
• Low Quiescent Current: The regulator operates with a low quiescent current of 150 µA, making it suitable for battery-powered applications where power consumption is a critical factor.
• Surface Mount Package: The 8SOIC package is ideal for surface mount technology, facilitating compact and reliable designs.

LP2954AIMX Applications

The LP2954AIMX is well-suited for a wide range of applications where a stable and adjustable power supply is required. Some specific use cases include:

• Battery-Powered Devices: The low quiescent current and adjustable output voltage make it ideal for portable devices where battery life and flexibility are crucial.
• Industrial Control Systems: The robust protection features and adjustable output voltage range are beneficial for industrial applications where reliability and adaptability are paramount.
• Consumer Electronics: The regulator can be used in various consumer electronics where a compact and efficient power supply solution is needed.
• Telecommunications: The LP2954AIMX can provide a stable power supply for telecom equipment, ensuring reliable operation under varying load conditions.

Conclusion of LP2954AIMX

The LP2954AIMX from Texas Instruments is a versatile and reliable linear positive adjustable voltage regulator, offering a wide range of features and benefits. Its adjustable output voltage, low dropout voltage, and comprehensive protection features make it an excellent choice for a variety of applications, from battery-powered devices to industrial control systems. Despite being marked as obsolete, the LP2954AIMX continues to provide a robust and efficient power supply solution, ensuring stable operation and long-term reliability in diverse electronic designs.

LP2954AIMX Documents

Download datasheets and manufacturer documentation for LP2954AIMX

Datasheets :

LP2954(A)