Texas Instruments

LP2954IMX  

Linear & Switching Voltage Regulators

LP2954IMX Description

The LP2954IMX is a linear positive adjustable voltage regulator designed for a wide range of power management applications. Manufactured by Texas Instruments, this regulator is part of the Power Management Integrated Circuit (PMIC) category and is known for its robust performance and versatile design. The LP2954IMX offers an adjustable output voltage range from 1.23V to 29V, making it suitable for various electronic systems requiring precise voltage regulation. With a maximum input voltage of 30V and a maximum output current of 250mA, this regulator ensures stable power delivery under diverse operating conditions.

LP2954IMX Features

• Adjustable Output Voltage: The LP2954IMX provides an adjustable output voltage range from 1.23V to 29V, offering flexibility to meet specific application requirements.
• High Input Voltage Capability: With a maximum input voltage of 30V, this regulator can handle a wide range of input voltages, making it suitable for various power sources.
• Low Dropout Voltage: The maximum dropout voltage of 0.8V at 250mA ensures efficient power conversion, even at low input-to-output voltage differentials.
• Low Quiescent Current: The regulator features a low quiescent current of 150 µA, which is ideal for battery-operated devices and applications where power consumption needs to be minimized.
• Protection Features: The LP2954IMX includes over-current, over-temperature, and reverse polarity protection, enhancing the reliability and safety of the power supply system.
• Enable Control Feature: The enable control feature allows for easy control of the regulator's operation, providing additional flexibility in system design.
• Surface Mount Package: The LP2954IMX is available in a surface mount 8SOIC package, making it suitable for compact and space-constrained designs.

LP2954IMX Applications

The LP2954IMX is ideal for a variety of applications due to its adjustable output voltage, low dropout voltage, and robust protection features. Some specific use cases include:

• Battery-Powered Devices: The low quiescent current and adjustable output voltage make this regulator suitable for portable devices and battery-powered systems where power efficiency is critical.
• Industrial Equipment: The wide input voltage range and protection features ensure reliable operation in harsh industrial environments.
• Consumer Electronics: The regulator's flexibility and compact package make it a good fit for consumer electronics requiring precise voltage regulation and minimal power consumption.
• Telecommunications: The LP2954IMX can be used in telecom equipment where stable power supply and efficient power conversion are essential.

Conclusion of LP2954IMX

The LP2954IMX from Texas Instruments is a versatile and reliable linear positive adjustable voltage regulator designed for a wide range of power management applications. Its adjustable output voltage, low dropout voltage, and low quiescent current make it an excellent choice for battery-operated devices and other applications where power efficiency is crucial. The inclusion of over-current, over-temperature, and reverse polarity protection features enhances the reliability and safety of the power supply system. Despite being marked as obsolete, the LP2954IMX remains a valuable component for engineers and designers looking for a robust and flexible power management solution.

LP2954IMX Documents

Download datasheets and manufacturer documentation for LP2954IMX

Datasheets :

LP2954(A)