Texas Instruments

LP3963ES-2.5

LP3963ES-2.5 Description

The LP3963ES-2.5 is a high-performance linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of 2.5V and capable of delivering up to 3A of output current. This regulator is designed for surface mount applications and is housed in a DDPAK/TO263-5 package, ensuring robustness and reliability in various electronic systems. With a maximum input voltage of 7V, the LP3963ES-2.5 provides a dropout voltage of 1.2V at full load, making it suitable for applications where input voltage variations are common. The regulator features an enable control, allowing for dynamic power management and enhanced system efficiency. Additionally, it includes over-current, over-temperature, and short-circuit protection features, ensuring safe operation under adverse conditions. Despite being marked as "Not For New Designs," the LP3963ES-2.5 remains a viable option for existing designs requiring a reliable and efficient voltage regulation solution.

LP3963ES-2.5 Features

• Output Type: Fixed at 2.5V, ensuring stable power supply for sensitive electronic components.
• High Current Capability: Delivers up to 3A of output current, suitable for demanding applications.
• Low Dropout Voltage: 1.2V at 3A, allowing for efficient operation even with low input-to-output voltage differences.
• Enable Control: Provides dynamic power management, enabling the regulator to be turned on or off as needed.
• Protection Features: Over-current, over-temperature, and short-circuit protection ensure safe operation and prolonged device life.
• Low Quiescent Current: 9 mA, minimizing power consumption in standby mode.
• Surface Mount Package: DDPAK/TO263-5 package, ideal for compact and high-density PCB designs.
• Moisture Sensitivity Level: MSL 3 (168 Hours), suitable for manufacturing processes requiring extended exposure to moisture.

LP3963ES-2.5 Applications

The LP3963ES-2.5 is ideal for a variety of applications where a stable and efficient power supply is critical. Its high current capability and low dropout voltage make it particularly suitable for:

• Power Supply Units: Providing stable power to sensitive electronic components in computing and communication systems.
• Consumer Electronics: Ensuring reliable power delivery in devices such as smartphones, tablets, and gaming consoles.
• Industrial Control Systems: Supplying power to microcontrollers, sensors, and actuators in industrial environments.
• Medical Devices: Offering a stable power source for critical medical equipment, ensuring uninterrupted operation.
• Automotive Electronics: Powering electronic control units (ECUs) and infotainment systems in vehicles.

Conclusion of LP3963ES-2.5

The LP3963ES-2.5 from Texas Instruments is a robust and efficient linear voltage regulator designed to meet the demands of modern electronic systems. Its fixed 2.5V output and 3A current capability, combined with low dropout voltage and comprehensive protection features, make it an ideal choice for a wide range of applications. The enable control and low quiescent current further enhance its suitability for applications requiring dynamic power management and energy efficiency. While marked as "Not For New Designs," the LP3963ES-2.5 remains a reliable option for existing designs, ensuring continued performance and reliability in various electronic systems.