Texas Instruments

LP2982IM5X-3.3

LP2982IM5X-3.3 Description

The LP2982IM5X-3.3 is a fixed output voltage linear regulator designed for a wide range of low-power applications. Manufactured by Texas Instruments, this device offers a maximum input voltage of 16V and a stable output voltage of 3.3V, capable of delivering up to 50mA of current. The regulator is housed in a compact SOT23-5 package, making it suitable for surface-mount applications where space is a premium. Despite its small size, the LP2982IM5X-3.3 provides robust performance with a maximum dropout voltage of 0.33V at 80mA, ensuring efficient operation even at low input-to-output voltage differentials.

LP2982IM5X-3.3 Features

• Output Type: Fixed, providing a stable 3.3V output voltage.
• Input Voltage Range: Up to 16V, offering flexibility in power supply options.
• Output Current: Capable of delivering up to 50mA, suitable for low-power applications.
• Low Dropout Voltage: Maximum of 0.33V at 80mA, enhancing efficiency in low-voltage scenarios.
• Low Quiescent Current: 95 µA, minimizing power consumption during standby.
• High PSRR: 45dB at 1kHz, ensuring excellent noise rejection and clean output voltage.
• Protection Features: Over current, over temperature, and short circuit protection, safeguarding the device and connected circuits.
• Control Features: Enable pin for easy control and shutdown.
• Package: SOT23-5, ideal for surface-mount applications and compact designs.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for a wide range of manufacturing environments.
• Product Status: Although marked as obsolete, the LP2982IM5X-3.3 remains a reliable choice for legacy systems and specific applications where its features are well-suited.

LP2982IM5X-3.3 Applications

The LP2982IM5X-3.3 is ideal for a variety of low-power applications where a stable 3.3V supply is required. Its low dropout voltage and compact package make it particularly suitable for battery-powered devices, portable electronics, and embedded systems. Specific use cases include:

• Battery-Powered Devices: Provides efficient power regulation for devices with limited battery capacity.
• Portable Electronics: Ideal for small form-factor devices where space and power efficiency are critical.
• Embedded Systems: Suitable for microcontroller and microprocessor-based systems requiring a stable 3.3V supply.
• Industrial Applications: Can be used in low-power industrial control systems and IoT devices.
• Medical Devices: Applicable in portable medical equipment where reliability and low power consumption are essential.

Conclusion of LP2982IM5X-3.3

The LP2982IM5X-3.3 from Texas Instruments is a versatile and reliable linear regulator designed for low-power applications. Its fixed 3.3V output, low dropout voltage, and compact SOT23-5 package make it an excellent choice for a wide range of electronic devices. Despite being marked as obsolete, its robust features and performance benefits ensure it remains a viable option for specific applications. For designers seeking a stable, efficient, and compact power solution, the LP2982IM5X-3.3 offers a compelling combination of features and reliability.