The LP3990TLX-1.8 is a high-performance, low-dropout linear regulator (LDO) from Texas Instruments, designed to deliver a stable and reliable power supply for sensitive electronic circuits. This regulator offers a fixed output voltage of 1.8V, which is ideal for low-voltage applications in consumer, industrial, and portable electronic devices.

Key Features

• Stable Output Voltage: The LP3990TLX-1.8 provides a stable 1.8V output, which is crucial for maintaining the performance of sensitive electronic components.
• Low Dropout: With its low dropout performance, this LDO ensures efficient operation even when the input voltage is close to the output voltage, reducing power loss and improving battery life in portable applications.
• High Accuracy: The output voltage is maintained with high accuracy, which helps in delivering consistent performance and reliability.
• Low Quiescent Current: The device features a low quiescent current, making it suitable for battery-powered applications where power conservation is critical.
• Thermal Shutdown and Current Limit: Built-in thermal shutdown and current limit protections safeguard the device and the application from excessive heat and overcurrent conditions.

Applications

The LP3990TLX-1.8 is versatile and can be used in a variety of applications, including but not limited to:

• Mobile Phones
• PDAs and Handheld Devices
• Wireless LAN Devices
• Digital Cameras
• Portable Media Players

Technical Specifications

Overall, the LP3990TLX-1.8 from Texas Instruments is an excellent choice for designers looking for a reliable LDO voltage regulator with a low dropout, high accuracy, and low power consumption, suitable for a wide range of electronic devices.