Texas Instruments

LP3984IMF-3.1/NOPB

LP3984IMF-3.1/NOPB Description

The LP3984IMF-3.1/NOPB is a linear regulator designed by Texas Instruments, offering a fixed output voltage of 3.1V and capable of delivering up to 150mA of output current. This device is housed in a compact SOT23-5 package, making it suitable for space-constrained applications. The regulator features a low dropout voltage of 0.12V at 150mA, ensuring efficient operation even at low input voltages. It also includes an enable control feature, allowing for dynamic power management and reduced power consumption during standby modes. The LP3984IMF-3.1/NOPB is designed with over-temperature and short-circuit protection, enhancing its reliability and robustness in various operating conditions.

LP3984IMF-3.1/NOPB Features

• Fixed Output Voltage: Provides a stable 3.1V output, ideal for applications requiring a precise voltage supply.
• High Efficiency: With a low dropout voltage of 0.12V at 150mA, the regulator maintains high efficiency even when the input voltage is close to the output voltage.
• Low Quiescent Current: Features qu aiescent current of 125 µA, minimizing power consumption in low-power applications.
• Enable Control: The enable feature allows for dynamic power management, enabling the regulator to be turned on and off as needed.
• Protection Features: Over-temperature and short-circuit protection ensure the regulator's longevity and reliability.
• Compact Packaging: The SOT23-5 package is ideal for applications where space is limited.
• Wide Input Voltage Range: Operates with an input voltage range up to 6V, providing flexibility in power supply design.
• High PSRR: Offers a power supply rejection ratio (PSRR) of 60dB to 40dB across a frequency range of 1kHz to 10kHz, ensuring a clean output voltage.

LP3984IMF-3.1/NOPB Applications

The LP3984IMF-3.1/NOPB is well-suited for a variety of applications requiring a stable and efficient power supply. Its low dropout voltage and compact size make it ideal for battery-powered devices, portable electronics, and IoT devices where space and power efficiency are critical. The enable control feature is particularly beneficial in applications that require dynamic power management, such as mobile devices and wearables. Additionally, its over-temperature and short-circuit protection make it a reliable choice for industrial and automotive applications where robustness is essential.

Conclusion of LP3984IMF-3.1/NOPB

The LP3984IMF-3.1/NOPB from Texas Instruments is a high-performance linear regulator that offers a combination of efficiency, compact size, and robust protection features. Its low dropout voltage and low quiescent current make it an excellent choice for applications where power efficiency is paramount. The enable control feature provides additional flexibility in power management, making it suitable for a wide range of applications, from portable electronics to industrial systems. Despite being marked as obsolete, the LP3984IMF-3.1/NOPB remains a reliable and efficient solution for power management needs.