The LP3981ILD-2.83/NOPB is a low-dropout CMOS linear regulator optimized for ultra-low noise output, designed and manufactured by Texas Instruments. This high-performance component is specifically engineered to maintain a stable voltage supply in a variety of electronic applications. It is particularly well-suited for noise-sensitive circuits, such as RF systems and analog signal processing devices.

Key Features

• Output Voltage: The device provides a fixed output voltage of 2.83V, which is ideal for consistent and reliable power supply needs.
• High Accuracy: The output voltage accuracy is maintained within a tight range, ensuring precise power delivery to sensitive components.
• Low Dropout: With its low dropout feature, the regulator maintains output voltage regulation even when the input-to-output differential is minimal, making it efficient in battery-operated applications.
• Ultra-Low Noise: The LP3981ILD-2.83/NOPB is designed to minimize noise, a critical factor for applications involving audio, RF, and precision analog circuits.
• Thermal Protection: It includes thermal shutdown protection to prevent damage from overheating, enhancing the longevity and reliability of both the regulator and the overall system.
• Noise Bypass Capacitor: An optional noise bypass capacitor can be connected to further reduce output noise.

Applications

The LP3981ILD-2.83/NOPB is versatile and can be used in a variety of applications, including:

• Mobile phones
• Portable media players
• Wireless LAN cards
• GPS receivers
• Analog-to-digital converters

Package and Quality

This regulator is available in a small, leadless 8-pin LLP package, which is ideal for space-constrained applications. The NOPB designation indicates that the product is lead-free and RoHS compliant, adhering to environmental standards. Additionally, the device is characterized for operation from -40°C to +125°C, ensuring reliable performance across a wide range of temperatures.

With its combination of low noise, high accuracy, and thermal protection, the LP3981ILD-2.83/NOPB from Texas Instruments represents a robust power management solution for designers looking to enhance the performance and reliability of their electronic systems.