The LP2981IM5X-2.7/NOPB is a high-performance, low-dropout regulator (LDO) from Texas Instruments, designed to deliver a continuous 100 mA of output current with a dropout voltage of typically 300 mV at full load. This LDO is part of the LP298x family of fixed and adjustable voltage regulators, which are known for their low power consumption and stable operation over a wide range of conditions.

Key Features

• Output Voltage: This device provides a fixed output voltage of 2.7V, which is suitable for a variety of low-voltage applications including microcontroller power supplies and other digital circuits.
• High Accuracy: The output voltage is accurate to within ±0.5% at room temperature and ±1% over the full operating temperature range, ensuring reliable performance in critical applications.
• Low Dropout Voltage: With a very low dropout voltage, the LP2981IM5X-2.7/NOPB allows the input voltage to be very close to the output voltage, which improves efficiency and makes it ideal for battery-powered devices.
• Low Quiescent Current: The quiescent current is typically 28 µA, making it an excellent choice for portable applications where extending battery life is crucial.
• Thermal Protection: It includes thermal shutdown protection that prevents damage to the device in the event of overheating.
• Noise Reduction: An optional bypass capacitor can be connected to the noise bypass pin to reduce output noise, making it suitable for noise-sensitive applications such as RF circuits.

Applications

The LP2981IM5X-2.7/NOPB is versatile and can be used in a variety of applications, including:

• Cell phones and PDAs
• Portable media players
• Portable medical equipment
• Wireless peripherals
• Microcontroller power supplies

Package and Quality

This LDO comes in a small 5-pin SOT-23 package, which is ideal for space-constrained applications. The device is also part of Texas Instruments' NOPB series of lead-free, RoHS-compliant components, reflecting the company's commitment to environmental sustainability. With its robust design and high-quality manufacturing, the LP2981IM5X-2.7/NOPB is a reliable choice for designers and engineers looking for a dependable power management solution.