Texas Instruments

LP2982IM5X-3.0

LP2982IM5X-3.0 Description

The LP2982IM5X-3.0 is a fixed-output linear regulator designed by Texas Instruments, offering a robust and efficient solution for power management applications. This device is part of the Power Management Integrated Circuits (PMIC) category and is housed in a compact SOT23-5 package, making it suitable for space-constrained designs. The regulator is designed to provide a stable 3V output voltage with a maximum output current of 50mA. It features a low dropout voltage of 0.33V at 80mA, ensuring high efficiency even at low input-to-output voltage differentials.

LP2982IM5X-3.0 Features

• Output Type: Fixed at 3V, ensuring a stable power supply for sensitive electronics.
• Input Voltage Range: Capable of handling input voltages up to 16V, providing flexibility in power source selection.
• Output Current: Delivers a maximum of 50mA, suitable for low-power applications.
• Low Dropout Voltage: With a maximum dropout voltage of 0.33V at 80mA, the LP2982IM5X-3. maintains0 high efficiency, making it ideal for battery-powered devices.
• Low Quiescent Current: Consumes only 95 µA, minimizing power loss and extending battery life.
• High PSRR: Achieves 45dB at 1kHz, effectively filtering out noise from the input supply.
• Protection Features: Includes over-current, over-temperature, and short-circuit protection, ensuring reliable operation under various conditions.
• Enable Control: Features an enable pin for easy control of the regulator's operation.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for a wide range of manufacturing environments.
• Mounting Type: Surface mount, ideal for automated assembly processes.
• Package: Tape & Reel (TR), facilitating efficient handling and storage.

LP2982IM5X-3.0 Applications

The LP2982IM5X-3.0 is well-suited for a variety of applications where low power consumption and high efficiency are critical. Some specific use cases include:

• Battery-Powered Devices: Ideal for portable electronics such as handheld devices, medical instruments, and IoT sensors, where battery life is a key consideration.
• Low-Power Systems: Suitable for applications requiring a stable 3V supply with minimal power draw, such as microcontrollers and communication modules.
• Sensitive Electronics: The high PSRR and stable output voltage make it a reliable choice for powering sensitive analog and digital circuits.
• Automotive and Industrial: The robust protection features and wide input voltage range ensure operation reliable in harsh environments, making it suitable for automotive and industrial applications.

Conclusion of LP2982IM5X-3.0

The LP2982IM5X-3.0 from Texas Instruments is a versatile and efficient linear regulator tailored for low-power applications. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for battery-powered devices and sensitive electronics. The inclusion of over-current, over-temperature, and short-circuit protection ensures reliable operation, while the enable control feature provides flexibility in system design. Despite being marked as obsolete, the LP2982IM5X-3.0 remains a reliable option for applications where its unique features and performance benefits are required.