Texas Instruments

LP3965EMP-3.3

LP3965EMP-3.3 Description

The LP3965EMP-3.3 is a high-performance linear regulator designed by Texas Instruments, offering a fixed output voltage of 3.3V and a maximum output current of 1.5A. This device is part of the Power Management Integrated Circuit (PMIC) category and is housed in a Surface Mount SOT223-5 package, making it suitable for a wide range of applications requiring efficient power management. The regulator features a low dropout voltage of 0.55V at 1.5A, ensuring high efficiency even under heavy load conditions. It also includes essential protection features such as over-current, over-temperature, and short-circuit protection, enhancing its reliability and robustness.

LP3965EMP-3.3 Features

• Output Type: Fixed, providing a stable 3.3V output voltage.
• Input Voltage Range: Up to 7V, allowing for flexibility in input power sources.
• Output Current: Capable of delivering up to 1.5A, making it suitable for demanding applications.
• Low Dropout Voltage: 0.55V at 1.5A, ensuring high efficiency and minimal 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 reliable performance and safeguard against potential faults.
• Quiescent Current: 9 mA, contributing to low power consumption during operation.
• Supply Current: Maximum of 15 mA, optimizing overall system efficiency.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), suitable for various manufacturing environments.
• Compliance: ROHS3 compliant and REACH affected, adhering to stringent environmental standards.
• Packaging: Tape & Reel (TR), facilitating easy handling and integration into automated assembly processes.

LP3965EMP-3.3 Applications

The LP3965EMP-3.3 is ideal for applications requiring a reliable and efficient power supply with a fixed 3.3V output. Some specific use cases include:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and portable gaming consoles where a stable 3.3V supply is crucial.
• Industrial Equipment: Suitable for industrial control systems and IoT devices that require efficient power management and robust protection features.
• Telecommunications: Can be used in base stations and communication equipment where high reliability and low dropout voltage are essential.
• Automotive: Applicable in automotive electronics for infotainment systems and other onboard electronics that demand a stable power supply.

Conclusion of LP3965EMP-3.3

The LP3965EMP-3.3 from Texas Instruments stands out as a versatile and efficient linear regulator, offering a fixed 3.3V output with a maximum current of 1.5A. Its low dropout voltage and comprehensive protection features make it a reliable choice for a variety of applications. The inclusion of an enable function and compliance with environmental standards further enhance its appeal. Whether used in consumer electronics, industrial equipment, telecommunications, or automotive applications, the LP3965EMP-3.3 provides the stability and efficiency needed for modern power management solutions.