Texas Instruments

LP3961EMPX-3.3

LP3961EMPX-3.3 Description

The LP3961EMPX-3.3 is a fixed-output linear regulator designed by Texas Instruments, offering a robust and efficient solution for power management applications. This regulator is part of the Power Management Integrated Circuit (PMIC) category and is specifically tailored to provide a stable 3.3V output voltage with a maximum output current of 800mA. The device is housed in a Surface Mount SOT223-5 package, making it suitable for compact and high-density PCB designs. With a maximum dropout voltage of 0.35V at 800mA, the LP3961EMPX-3.3 ensures high efficiency even under heavy load conditions. The regulator features an enable control, allowing for dynamic power management and reduced power consumption during standby modes.

LP3961EMPX-3.3 Features

• Fixed Output Voltage: The LP3961EMPX-3.3 provides a stable 3.3V output, making it ideal for applications requiring a precise and consistent power supply.
• High Output Current: Capable of delivering up to 800mA, this regulator can support a wide range of devices and systems with significant power demands.
• Low Dropout Voltage: With a maximum dropout voltage of 0.35V at 800mA, the LP3961EMPX-3.3 maintains high efficiency, minimizing power loss and heat generation.
• Enable Control: The enable feature allows for dynamic control of the regulator, enabling power-saving modes and reducing quiescent current to 9mA.
• Protection Features: The regulator includes over-current, over-temperature, and short-circuit protection, ensuring reliable operation and safeguarding against potential faults.
• Compliance and Reliability: The LP3961EMPX-3.3 is REACH unaffected and RoHS3 compliant, meeting stringent environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, making it suitable for a variety of manufacturing environments.

LP3961EMPX-3.3 Applications

The LP3961EMPX-3.3 is well-suited for a variety of applications where a stable and efficient power supply is critical. Its high output current and low dropout voltage make it ideal for:

• Consumer Electronics: Powering devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Providing reliable power to sensors, actuators, and other components in industrial automation systems.
• Communication Devices: Ensuring stable power supply for routers, modems, and other networking equipment.
• Medical Devices: Supporting medical instruments and equipment that require precise and stable power sources.

Conclusion of LP3961EMPX-3.3

The LP3961EMPX-3.3 from Texas Instruments stands out as a reliable and efficient linear regulator for applications requiring a stable 3.3V output and up to 800mA of current. Its low dropout voltage, enable control, and comprehensive protection features make it a versatile and robust solution for power management needs. The regulator's compliance with environmental and safety standards further enhances its suitability for modern electronic designs. Whether used in consumer electronics, industrial systems, or medical devices, the LP3961EMPX-3.3 offers a high-performance power management solution that ensures reliable operation and efficient power delivery.