Texas Instruments

LP3872ES-5.0

LP3872ES-5.0 Description

The LP3872ES-5.0 is a fixed output linear voltage regulator designed by Texas Instruments, offering a robust solution for applications requiring a stable 5V output with a maximum current of 1.5A. This regulator is housed in a surface-mount DDPAK/TO263-5 package, ensuring compactness and ease of integration into various electronic designs. With a maximum input voltage of 7V, the LP3872ES-5.0 provides a dropout voltage of only 0.55V at full load, making it highly efficient even under low input-to-output voltage differentials.

LP3872ES-5.0 Features

• Output Type: Fixed at 5V, ensuring a stable and reliable power supply.
• Input Voltage Range: Up to 7V, providing flexibility in power source selection.
• Output Current: Capable of delivering up to 1.5A, suitable for a wide range of applications.
• Low Dropout Voltage: 0.55V at 1.5A, enhancing efficiency and reducing power loss.
• Enable Control Feature: Allows for dynamic control of the regulator's operation, enabling power savings and controlled startup/shutdown sequences.
• Protection Features: Over-current, over-temperature, and short-circuit protections ensure robustness and reliability.
• Low Quiescent Current: 5mA, minimizing power consumption during standby or low-load conditions.
• High Power Supply Rejection Ratio (PSRR): Ranging from 73dB to 57dB at 120Hz, ensuring minimal noise and ripple in the output voltage.
• Moisture Sensitivity Level: MSL 3 (168 Hours), suitable for standard manufacturing processes.
• Mounting Type: Surface mount, ideal for compact and space-constrained designs.
• Package: Tube, facilitating easy handling and storage.

LP3872ES-5.0 Applications

The LP3872ES-5.0 is well-suited for a variety of applications where a stable and efficient power supply is critical. Its fixed 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 stable power to sensors, actuators, and control systems.
• Telecommunications: Ensuring reliable power for base stations, routers, and other networking equipment.
• Automotive Electronics: Suitable for in-vehicle infotainment systems, GPS units, and other electronic components.
• Medical Devices: Powering diagnostic equipment, monitoring devices, and portable medical instruments.

Conclusion of LP3872ES-5.0

The LP3872ES-5.0 is a versatile and efficient linear voltage regulator that offers a reliable power solution for a wide range of applications. Its low dropout voltage, high PSRR, and comprehensive protection features make it a standout choice in the market. While it is marked as "Not For New Designs," the LP3872ES-5.0 remains a valuable component for existing designs and applications where its unique features and performance benefits are essential. For engineers and designers seeking a dependable and efficient power management solution, the LP3872ES-5.0 is a compelling option.