Texas Instruments

LP3961ESX-2.5

LP3961ESX-2.5 Description

The LP3961ESX-2.5 is a linear regulator designed by Texas Instruments, offering a fixed output voltage of 2.5V and a maximum output current of 800mA. This regulator is housed in a DDPAK package, making it ideal for surface-mount applications. It features a maximum input voltage of 7V and a dropout voltage of 0.35V at 800mA, ensuring efficient operation even under varying input conditions. The LP3961ESX-2.5 also includes an enable control feature and robust protection mechanisms such as over-current, over-temperature, and short-circuit protection. With a quiescent current of 9mA and a supply current of up to 15mA, this regulator is designed for high efficiency and low power consumption. Despite being marked as obsolete, the LP3961ESX-2.5 remains a reliable choice for applications requiring a stable power supply.

LP3961ESX-2.5 Features

• Fixed Output Voltage: 2.5V, ensuring a stable power supply for sensitive electronic components.
• High Output Current: Capable of delivering up to 800mA, making it suitable for a wide range of applications.
• Low Dropout Voltage: 0.35V at 800mA, which enhances efficiency and reduces power loss.
• Enable Control Feature: Allows for dynamic control of the regulator’s operation, optimizing power management.
• Protection Features: Over-current, over-temperature, and short-circuit protection ensure robustness and reliability.
• Low Quiescent Current: 9mA, contributing to overall system efficiency.
• Surface Mount Package: DDPAK package type, suitable for compact and high-density PCB designs.
• Moisture Sensitivity Level: MSL 3 (168 Hours), ensuring reliability in various environmental conditions.
• Compliance: REACH Unaffected and ECCN EAR99, meeting regulatory standards for global use.

LP3961ESX-2.5 Applications

The LP3961ESX-2.5 is well-suited for applications requiring a stable and efficient power supply. Its fixed 2.5V output and high current capability make it ideal for:

• Consumer Electronics: Powering devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Providing a reliable power source for sensors, actuators, and control systems.
• Telecommunications: Ensuring power stable for base stations, routers, and other networking equipment.
• Automotive Systems: Suitable for in-vehicle electronics, infotainment systems, and advanced driver-assistance systems (ADAS).

Conclusion of LP3961ESX-2.5

The LP3961ESX-2.5 from Texas Instruments is a versatile linear regulator offering a fixed 2.5V output and up to 800mA of current. Its low dropout voltage and robust protection features make it a reliable choice for various applications. Despite being marked as obsolete, the LP3961ESX-2.5 remains a valuable component for engineers seeking a stable and efficient power solution. Its surface-mount package and compliance with global regulations further enhance its appeal for modern electronics design.