The LP3990TL-2.5/NOPB is a high-performance, low-dropout linear regulator (LDO) designed and manufactured by Texas Instruments. This device is engineered to offer a stable and reliable power supply solution, particularly for space-constrained applications. Its compact form factor and low-power consumption make it an ideal choice for portable electronic devices.

Key Features

• Output Voltage: The LP3990TL-2.5/NOPB provides a fixed output voltage of 2.5V, which is suitable for a variety of low-voltage applications.
• High Accuracy: This regulator maintains high accuracy, with a typical output voltage tolerance of ±1%, ensuring precise power delivery to sensitive components.
• Low Dropout: The low dropout voltage (typically around 280mV at full load) allows for efficient operation even when the input voltage is close to the output voltage, maximizing battery life in portable applications.
• Current Supply: It can deliver up to 150mA of continuous output current, catering to the needs of most low-power circuits.
• Thermal Performance: The device features excellent thermal performance, which is critical for maintaining stability and longevity under varying operational conditions.
• Noise Reduction: A low output noise characteristic makes it an excellent choice for RF and precision analog circuits that require a clean power supply.

Applications

The LP3990TL-2.5/NOPB is versatile and can be used in numerous applications, including:

• Mobile Phones
• Handheld Devices
• Wireless LAN Devices
• GPS Receivers
• Portable Media Players
• Digital Cameras

Package and Reliability

This LDO is available in a space-saving 5-pin SOT-23 package, which is highly suitable for PCBs where space is at a premium. The NOPB designation indicates that it is a lead-free ("No Lead") product, which complies with RoHS regulations and is environmentally friendly. Additionally, Texas Instruments' commitment to quality ensures that the LP3990TL-2.5/NOPB has been rigorously tested for reliability and performance across a wide range of conditions.