The LP3990TL-1.8 is a low-dropout linear regulator (LDO) designed and manufactured by Texas Instruments (TI), a leader in semiconductor solutions. This LDO is engineered to provide a stable and reliable power supply for sensitive electronic components, particularly in portable and battery-powered applications. With a fixed output voltage of 1.8V, it is an ideal choice for systems that require a precise voltage level for optimum performance.

Key Features

• Low Dropout Voltage: The LP3990TL-1.8 boasts a very low dropout voltage, ensuring efficient operation even when the supply voltage is close to the output voltage. This feature is crucial for maximizing battery life in portable devices.
• High Accuracy: With a fixed output voltage of 1.8V, the device provides a high level of accuracy, which is essential for powering sensitive electronic circuits.
• Low Quiescent Current: The device's quiescent current is minimal, making it suitable for battery-powered applications where power conservation is a priority.
• Thermal Protection: The LP3990TL-1.8 includes an internal thermal shutdown mechanism that protects the device from overheating, ensuring reliable operation under various conditions.
• Stable with Low-ESR Capacitors: This LDO is stable with ceramic capacitors, which have lower equivalent series resistance (ESR) compared to other capacitor types. This allows for a more compact and cost-effective design.

Applications

The LP3990TL-1.8 is versatile and can be used in a wide range of applications. It is particularly suitable for portable devices such as smartphones, tablets, and digital cameras. Additionally, it can be used in wireless communication devices, handheld gaming consoles, and other low-voltage electronics that require a stable power supply.

Package and Availability

The device is available in a space-saving 5-pin SOT-23 package, which is ideal for space-constrained applications. TI provides comprehensive technical support and documentation, ensuring ease of integration into various designs. For pricing, availability, and additional technical resources, please visit the Texas Instruments official website or contact an authorized TI distributor.