The LP3995ILD-1.5 is a high-performance, low-dropout linear regulator (LDO) from Texas Instruments, designed to deliver a fixed output voltage of 1.5V with a maximum output current of 150 mA. This regulator is ideal for portable applications due to its small footprint and low power consumption.

Key Features

• Fixed Output: Provides a stable 1.5V output voltage, which is essential for sensitive electronic components that require a precise voltage level for optimal performance.
• High Accuracy: Maintains tight regulation with an accuracy of ±3% over line, load, and temperature, ensuring reliable operation under various conditions.
• Low Dropout: Features a low dropout voltage, which allows the regulator to continue delivering a regulated output even when the supply voltage is very close to the output voltage, enhancing efficiency in battery-operated devices.
• Low Quiescent Current: Exhibits a very low quiescent current, making it suitable for battery-powered applications where extending battery life is crucial.
• Thermal Shutdown: Includes a thermal shutdown feature that protects the device from damage due to overheating, thereby improving system reliability.
• Current Limit Protection: Comes with built-in current limit protection to prevent damage to the regulator and the load in the event of an output short circuit or excessive load conditions.

Applications

The LP3995ILD-1.5 is versatile and can be used in a variety of applications. It is particularly well-suited for:

• Mobile Phones
• Personal Digital Assistants (PDAs)
• Digital Cameras
• Portable Media Players
• Handheld Gaming Devices

Package and Reliability

This LDO is available in a compact 6-pin LLP package, which is designed for space-constrained applications. Its robust design ensures long-term reliability, making it a preferred choice for designers looking for a regulator that can withstand the demands of portable electronics.

Conclusion

The LP3995ILD-1.5 from Texas Instruments is a reliable and efficient solution for a wide range of portable applications that require a fixed 1.5V power supply. Its low dropout voltage, high accuracy, and power-saving features make it an excellent choice for extending battery life in portable devices.