Texas Instruments

LP3852ESX-5.0

LP3852ESX-5.0 Description

The LP3852ESX-5.0 is a high-performance linear regulator from Texas Instruments, designed to provide a stable 5V output at a maximum current of 1.5A. This regulator is part of the Power Management Integrated Circuit (PMIC) category and is housed in a Surface Mount DDPAK/TO263-5 package. It is ideal for applications requiring a fixed positive output configuration and offers a maximum input voltage of 7V. The LP3852ESX-5.0 features a low dropout voltage of 0.38V at 1.5A, ensuring efficient operation even under high current loads. Additionally, it includes essential protection features such as over-current, over-temperature, and short-circuit protection, making it a reliable choice for various electronic systems.

LP3852ESX-5.0 Features

• Output Type: Fixed, providing a consistent 5V output.
• Input Voltage Range: Up to 7V, ensuring compatibility with a wide range of power sources.
• Output Current: Capable of delivering up to 1.5A, suitable for demanding applications.
• Low Dropout Voltage: 0.38V at 1.5A, enhancing efficiency and reducing power loss.
• Control Features: Includes an enable function for precise control over the regulator's operation.
• Protection Features: Over-current, over-temperature, and short-circuit protection ensure robustness and reliability.
• Low Quiescent Current: 3 mA, minimizing power consumption during standby.
• High PSRR: 73dB to 57dB at 120Hz, providing excellent noise rejection.
• Moisture Sensitivity Level: MSL 3 (168 Hours), suitable for standard manufacturing processes.
• Package Type: Tape & Reel (TR), facilitating automated assembly and handling.

LP3852ESX-5.0 Applications

The LP3852ESX-5.0 is well-suited for a variety of applications where a stable and efficient power supply is critical. Its low dropout voltage and high current capability make it ideal for consumer electronics, portable devices, and industrial systems. Specific use cases include:

• Consumer Electronics: Powering USB ports, charging circuits, and other peripherals.
• Portable Devices: Ensuring reliable power delivery in smartphones, tablets, and other mobile devices.
• Industrial Systems: Providing stable power for control boards, sensors, and actuators.
• Telecommunications: Supporting power requirements in base stations and network equipment.

Conclusion of LP3852ESX-5.0

The LP3852ESX-5.0 from Texas Instruments is a versatile and reliable linear regulator designed for applications requiring a fixed 5V output at up to 1.5A. Its low dropout voltage, comprehensive protection features, and low quiescent current make it an excellent choice for a wide range of electronic systems. Despite being marked as obsolete, the LP3852ESX-5.0 remains a valuable component for engineers and designers seeking a proven solution for their power management needs.