Texas Instruments

LP2987IMX-3.3

LP2987IMX-3.3 Description

The LP2987IMX-3.3 is a fixed output linear regulator designed by Texas Instruments, offering a regulated 3.3V output voltage with a maximum output current of 200mA. This regulator is part of the Power Management Integrated Circuits (PMIC) category and is housed in an 8-pin SOIC package. It is designed for surface mount applications, making it suitable for compact and space-constrained designs. The regulator features a low dropout voltage of 0.35V at 200mA, ensuring efficient operation even at low input-to-output voltage differentials. The LP2987IMX-3.3 also includes protection features such as over current, over temperature, and short circuit protection, enhancing its reliability and robustness in various operating conditions.

LP2987IMX-3.3 Features

• Output Type: Fixed at 3.3V, providing a stable power supply for sensitive electronic components.
• Input Voltage Range: Capable of handling input voltages up to 16V, making it versatile for a wide range of power sources.
• Output Current: Delivers a maximum of 200mA, sufficient for powering small to medium-sized electronic devices.
• Low Dropout Voltage: With a maximum dropout voltage of 0.35V at 200mA, it ensures high efficiency and minimal power loss.
• Control Features: Includes an enable pin, allowing for dynamic control of the regulator's operation.
• Protection Features: Equipped with over current, over temperature, and short circuit protection, ensuring safe and reliable operation.
• Low Quiescent Current: Consumes only 120 µA in quiescent mode, minimizing power consumption during standby.
• High PSRR: Achieves a Power Supply Rejection Ratio (PSRR) of 65dB at 1kHz, effectively filtering out noise from the input supply.
• Compliance and Packaging: Compliant with REACH and ROHS3 standards, and available in a Tape & Reel (TR) package for convenient surface mount assembly.

LP2987IMX-3.3 Applications

The LP2987IMX-3.3 is ideal for a variety of applications where a stable and efficient power supply is required. Its low dropout voltage and fixed output voltage make it particularly suitable for battery-powered devices, portable electronics, and embedded systems. The regulator's ability to handle a wide input voltage range and its low quiescent current make it an excellent choice for applications where power efficiency and extended battery life are critical. Additionally, its compact 8-pin SOIC package and surface mount design allow for easy integration into space-constrained designs, such as IoT devices, wearable technology, and medical equipment.

Conclusion of LP2987IMX-3.3

The LP2987IMX-3.3 is a robust and efficient linear regulator that offers a stable 3.3V output with a maximum current of 200mA. Its low dropout voltage and low quiescent current make it highly efficient, especially in battery-powered applications. The inclusion of over current, over temperature, and short circuit protection ensures reliable operation in various conditions. While the product is marked as obsolete, its technical specifications and performance benefits still make it a viable option for applications requiring a compact, efficient, and reliable power solution. For designers seeking a dependable power management solution, the LP2987IMX-3.3 remains a strong contender, especially in applications where space and power efficiency are paramount.