Texas Instruments

LP3966ES-3.3

LP3966ES-3.3 Description

The LP3966ES-3.3 is a linear regulator designed by Texas Instruments, offering a fixed output voltage of 3.3V and a maximum output current of 3A. This regulator is housed in a DDPAK/TO263-5 package, making it suitable for surface mount applications. It is designed to operate with an input voltage range up to 7V, ensuring compatibility with a variety of power sources. The LP3966ES-3.3 features a maximum dropout voltage of 1.2V at 3A, which is crucial for maintaining efficiency in power delivery.

LP3966ES-3.3 Features

• Output Type: Fixed at 3.3V, ensuring stable power supply for sensitive electronic components.
• Input Voltage Range: Supports up to 7V, providing flexibility in power source selection.
• Output Current: Capable of delivering up to 3A, suitable for high-current applications.
• Dropout Voltage: Maximum 1.2V at 3A, enhancing efficiency and reducing power loss.
• Control Features: Includes an enable function, allowing precise control over the regulator's operation.
• Protection Features: Over current, over temperature, and short circuit protection ensure robustness and reliability.
• Quiescent Current: Low quiescent current of 9 mA, minimizing power consumption in standby mode.
• Supply Current: Maximum supply current of 15 mA, optimizing power usage.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory standards are met.
• Moisture Sensitivity Level: MSL 3 (168 Hours), suitable for various manufacturing environments.

LP3966ES-3.3 Applications

The LP3966ES-3.3 is ideal for a range of applications requiring a stable and efficient power supply. Its high output current and fixed voltage make it suitable for:

• Embedded Systems: Providing reliable power to microcontrollers and other embedded components.
• Industrial Controls: Ensuring stable power for sensors and actuators in industrial environments.
• Telecommunications: Supplying power to communication modules and base stations.
• Consumer Electronics: Powering devices such as smartphones, tablets, and other portable electronics.
• Automotive Electronics: Suitable for in-vehicle systems requiring high current and stable voltage.

Conclusion of LP3966ES-3.3

The LP3966ES-3.3 from Texas Instruments is a versatile and efficient linear regulator designed to meet the demands of modern electronic systems. Its fixed 3.3V output and 3A current capability, combined with advanced protection features and low dropout voltage, make it an excellent choice for a wide range of applications. The regulator's compliance with environmental and regulatory standards ensures it is suitable for global markets. Whether used in embedded systems, industrial controls, or consumer electronics, the LP3966ES-3.3 offers reliable performance and ease of integration.