Texas Instruments

LP3961EMP-1.8

LP3961EMP-1.8 Description

The LP3961EMP-1.8 is a fixed-output linear voltage regulator designed by Texas Instruments, offering a robust and efficient solution for power management in various electronic applications. This regulator is designed to provide a stable output voltage of 1.8V with a maximum output current of 800mA. It features a maximum input voltage of 7V, ensuring compatibility with a wide range of power sources. The LP3961EMP-1.8 is housed in a SOT223-5 package, which is ideal for surface-mount applications, providing a compact and reliable footprint for PCB designs.

LP3961EMP-1.8 Features

• Fixed Output Voltage: The LP3961EMP-1.8 provides a fixed output voltage of 1.8V, ensuring consistent power delivery to sensitive electronic components.
• High Output Current: With a maximum output current of 800mA, this regulator is capable of powering demanding applications without compromising on performance.
• Low Dropout Voltage: The maximum dropout voltage of 0.35V at 800mA ensures high efficiency, especially in low-voltage applications where every millivolt counts.
• Enable Control Feature: The enable control feature allows for dynamic control of the regulator's operation, enabling power-saving modes and precise power management.
• Protection Features: The LP3961EMP-1.8 includes over-current, over-temperature, and short-circuit protection, safeguarding both the regulator and connected components from potential damage.
• Low Quiescent Current: A quiescent current of 9mA ensures minimal power consumption during operation, contributing to overall system efficiency.
• Surface-Mount Technology: The SOT223-5 package is designed for surface-mount applications, providing a compact and reliable solution for modern PCB designs.

LP3961EMP-1.8 Applications

The LP3961EMP-1.8 is ideal for a variety of applications where stable and efficient power regulation is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering microcontrollers, sensors, and other low-voltage components in consumer devices.
• Industrial Equipment: Suitable for industrial applications where reliable power management is crucial for system stability.
• Telecommunications: Provides stable power for communication modules and other low-voltage components in telecommunication infrastructure.
• Automotive Systems: Can be used in automotive electronics where compact and efficient power regulation is necessary.

Conclusion of LP3961EMP-1.8

The LP3961EMP-1.8 from Texas Instruments is a versatile and efficient linear voltage regulator, offering a fixed 1.8V output with a maximum current of 800mA. Its low dropout voltage, enable control feature, and comprehensive protection mechanisms make it a reliable choice for a wide range of applications. Despite being marked as obsolete, the LP3961EMP-1.8 remains a valuable component for engineers and designers seeking a compact, efficient, and reliable power management solution.