Product Overview: LP2981IM5-4.0/NOPB

The LP2981IM5-4.0/NOPB is a high-performance, micro-power voltage regulator from Texas Instruments designed to deliver a fixed output voltage of 4.0V with an impressive accuracy. This component is particularly suitable for battery-powered applications due to its low dropout voltage and low quiescent current, enhancing the battery life of portable devices. The device comes in a compact SOT-23-5 package, making it an excellent choice for space-constrained applications.

Key Features

• Output Voltage: Fixed 4.0V with high accuracy.
• Dropout Voltage: Typically 280mV at 100mA load, which ensures efficient operation even when the input voltage is close to the output voltage.
• Load Regulation: Excellent load regulation characteristics to maintain stable output even with varying load conditions.
• Quiescent Current: Ultra-low quiescent current of 28µA (typical) and 1µA in shutdown mode, which significantly reduces power consumption in standby mode.
• Thermal Protection: Integrated thermal shutdown protection to prevent damage from overheating.
• Package: Available in a small SOT-23-5 package, ideal for portable and space-sensitive applications.
• Noise Reduction: Bypass pin for noise reduction with an external capacitor.
• Stability: Stable with low-ESR ceramic capacitors, providing improved transient response and noise performance.

Applications

The LP2981IM5-4.0/NOPB is versatile and can be used in a variety of applications, including:

• Mobile Phones
• Personal Digital Assistants (PDAs)
• Digital Cameras
• Portable Media Players
• Wireless LAN and Bluetooth® Modules
• GPS Receivers

Quality and Reliability

As a product from Texas Instruments, the LP2981IM5-4.0/NOPB is manufactured to the highest quality standards, ensuring reliability and performance in critical applications. The component is also RoHS compliant and features a lead-free finish, reflecting TI's commitment to environmental sustainability.

Whether you are designing a new portable device or looking to improve the power efficiency of an existing application, the LP2981IM5-4.0/NOPB offers a compact, efficient, and reliable solution for your voltage regulation needs.