Texas Instruments

LP3961EMPX-5.0

LP3961EMPX-5.0 Description

The LP3961EMPX-5.0 is a fixed-output linear voltage regulator designed by Texas Instruments, offering a robust and efficient solution for various electronic applications. This regulator features a maximum input voltage of 7V and a fixed output voltage of 5V, capable of delivering up to 800mA of output current. With a dropout voltage of only 0.35V at 800mA, it ensures high efficiency even under heavy load conditions. The LP3961EMPX-5.0 is housed in a surface-mount SOT223-5 package, making it suitable for compact and high-density PCB designs. Despite its small form factor, it includes essential protection features such as over-current, over-temperature, and short-circuit protection, ensuring reliable operation in diverse environments.

LP3961EMPX-5.0 Features

• Output Type: Fixed, providing a stable 5V output voltage.
• Input Voltage Range: Up to 7V, allowing for compatibility with a wide range of input power sources.
• Output Current: Capable of delivering up to 800mA, making it suitable for applications requiring moderate to high current loads.
• Low Dropout Voltage: 0.35V at 800mA, ensuring high efficiency and minimal power loss.
• Enable Control Feature: Provides flexibility in system design by allowing the regulator to be enabled or disabled as needed.
• Protection Features: Over-current, over-temperature, and short-circuit protection ensure robustness and reliability.
• Low Quiescent Current: 9mA, contributing to energy efficiency in low-power applications.
• Mounting Type: Surface mount, ideal for compact and space-constrained designs.
• Package: Tape & Reel (TR), facilitating automated assembly processes.
• Regulatory Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory standards are met.

LP3961EMPX-5.0 Applications

The LP3961EMPX-5.0 is well-suited for a variety of applications where a stable and efficient power supply is required. Its fixed 5V output and ability to deliver up to 800mA make it ideal for powering microcontrollers, sensors, and other low-power electronics. The low dropout voltage ensures high efficiency, making it suitable for battery-powered devices where input voltage levels may vary. The enable control feature allows for dynamic power management, which is beneficial in applications such as portable devices and IoT systems. The comprehensive protection features make it a reliable choice for industrial and automotive applications where robustness and reliability are critical.

Conclusion of LP3961EMPX-5.0

The LP3961EMPX-5.0 from Texas Instruments is a versatile and efficient linear voltage regulator that offers a balance of performance and reliability. Its low dropout voltage and comprehensive protection features make it an excellent choice for a wide range of applications, from portable devices to industrial systems. While the product is marked as obsolete, its technical specifications and performance benefits continue to make it a valuable component for engineers and designers seeking a reliable power solution.