Texas Instruments

LP2982AIM5X-3.0

LP2982AIM5X-3.0 Description

The LP2982AIM5X-3.0 is a fixed-output linear voltage regulator designed by Texas Instruments. This regulator is part of the Linear & Switching Voltage Regulators category and is housed in a compact SOT23-5 package. It is designed to provide a stable 3V output voltage with a maximum output current of 50mA. The LP2982AIM5X-3.0 features a maximum input voltage of 16V and a low dropout voltage of 0.33V at 80mA, making it suitable for applications where input voltage variations are common. The regulator also includes an enable control feature, allowing for power management and shutdown capabilities.

LP2982AIM5X-3.0 Features

• Fixed Output Voltage: The LP2982AIM5X-3.0 provides a stable 3V output, ideal for applications requiring a precise voltage supply.
• Low Dropout Voltage: With a maximum dropout voltage of 0.33V at 80mA, this regulator can maintain regulation even when the input voltage is close to the output voltage.
• Enable Control Feature: The enable pin allows for dynamic control of the regulator, enabling power-saving modes and shutdown capabilities.
• Protection Features: The regulator includes over-current, over-temperature, and short-circuit protection, ensuring reliable operation under various conditions.
• Low Quiescent Current: The regulator operates with a quiescent current of only 95 µA, making it suitable for low-power applications.
• High PSRR: The regulator offers a power supply rejection ratio (PSRR) of 45dB at 1kHz, effectively filtering out noise from the input supply.
• Surface Mount Package: The SOT23-5 package is suitable for surface mount technology, allowing for compact and efficient PCB designs.
• Moisture Sensitivity Level: The MSL rating of 1 (Unlimited) ensures the component is suitable for a wide range of manufacturing environments.

LP2982AIM5X-3.0 Applications

The LP2982AIM5X-3.0 is well-suited for a variety of applications where a stable and reliable voltage supply is required. Some specific use cases include:

• Battery-Powered Devices: The low dropout voltage and low quiescent current make this regulator ideal for battery-operated devices where efficiency and longevity are critical.
• Portable Electronics: The compact SOT23-5 package and low power consumption make it suitable for portable devices such as smartphones, tablets, and wearables.
• Industrial Control Systems: The regulator's robust protection features and stable output voltage ensure reliable operation in industrial environments.
• Medical Devices: The enable control and low dropout voltage are beneficial for medical devices that require precise power management and efficient power usage.

Conclusion of LP2982AIM5X-3.0

The LP2982AIM5X-3.0 from Texas Instruments is a versatile and reliable linear voltage regulator designed for applications requiring a stable 3V output. Its low dropout voltage, low quiescent current, and robust protection features make it an excellent choice for battery-powered and portable devices. The enable control feature provides additional flexibility for power management, enhancing its suitability for a wide range of applications. Despite being marked as obsolete, the LP2982AIM5X-3.0 remains a valuable component for engineers and designers seeking a compact, efficient, and reliable voltage regulator.