LP3981ILD-3.0/NOPB

The LP3981ILD-3.0/NOPB is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage with high accuracy and low noise, making it suitable for a variety of applications, including portable devices, battery-powered equipment, and other electronic systems requiring precise voltage regulation.

Key Features:

1. Output Voltage: The LP3981ILD-3.0/NOPB provides a fixed output voltage of 3.0V, which is ideal for powering microcontrollers, sensors, and other digital circuits.

2. Low Dropout Voltage: The device features a low dropout voltage, typically around 300mV at full load, allowing it to maintain regulation even when the input voltage is close to the output voltage. This is particularly beneficial in battery-operated applications where maximizing battery life is crucial.

3. High Output Current: The regulator can deliver up to 1A of output current, making it suitable for applications that require higher power levels.

4. Low Quiescent Current: The LP3981ILD-3.0/NOPB has a low quiescent current, which helps to extend battery life in portable applications by minimizing power consumption when the device is not actively driving a load.

5. Thermal Protection: The device includes built-in thermal shutdown protection, which prevents damage due to overheating by shutting down the regulator if the junction temperature exceeds a certain threshold.

6. Short-Circuit Protection: It also features short-circuit protection, ensuring that the device can withstand fault conditions without sustaining damage.

7. Package Type: The LP3981ILD-3.0/NOPB is available in a compact, thermally enhanced 5-pin SOT-23 package, which is suitable for space-constrained designs.

8. Operating Temperature Range: The device operates over a wide temperature range, typically from -40°C to +125°C, making it suitable for industrial and automotive applications.

9. Noise Performance: The LDO is designed to provide low output noise, which is essential for sensitive analog and RF applications.

10. Input Voltage Range: The input voltage range for the LP3981ILD-3.0/NOPB is typically from 2.5V to 16V, allowing it to be used in various power supply configurations.

Applications:

• Portable electronics
• Battery-powered devices
• Microcontroller power supplies
• RF and analog circuits
• Automotive electronics

Conclusion:

The LP3981ILD-3.0/NOPB from Texas Instruments is a versatile and reliable LDO voltage regulator that combines low dropout voltage, high output current capability, and low quiescent current, making it an excellent choice for a wide range of electronic applications. Its robust protection features and compact package design further enhance its appeal for modern electronic designs.