Texas Instruments

LP3999ITL-2.8/NOPB

LP3999ITL-2.8/NOPB Description

The LP3999ITL-2.8/NOPB is a linear regulator IC designed by Texas Instruments, offering a fixed output voltage of 2.8V with a maximum output current of 150mA. This device is part of the Power Management Integrated Circuits (PMIC) category and is housed in a 5DSBGA package, suitable for surface mount applications. Despite being marked as obsolete, it remains a reliable choice for applications requiring a stable power supply with minimal dropout voltage.

LP3999ITL-2.8/NOPB Features

• Fixed Output Voltage: The LP3999ITL-2.8/NOPB provides a stable 2.8V output, ensuring consistent power delivery to sensitive electronic components.
• Low Dropout Voltage: With a maximum dropout voltage of 0.1V at 150mA, this regulator can maintain its output voltage even when the input voltage is close to the output voltage, making it highly efficient.
• Low Quiescent Current: The quiescent current of 150µA ensures minimal power consumption during operation, making it ideal for battery-powered devices.
• Enable Control Feature: The enable pin allows for dynamic control of the regulator's operation, providing flexibility in power management.
• Protection Features: Over-temperature and short-circuit protection ensure the device's longevity and reliability under various operating conditions.
• High PSRR: The Power Supply Rejection Ratio (PSRR) ranges from 60dB to 50dB across frequencies from 1kHz to 10kHz, effectively filtering out noise from the input power supply.
• Compliance and Packaging: The LP3999ITL-2.8/NOPB is REACH unaffected and RoHS3 compliant, ensuring environmental safety. It is available in a Tape & Reel (TR) package, facilitating easy handling and assembly in manufacturing processes.

LP3999ITL-2.8/NOPB Applications

The LP3999ITL-2.8/NOPB is well-suited for a variety of applications where a stable and efficient power supply is crucial. Its low dropout voltage and low quiescent current make it particularly ideal for battery-operated devices, such as portable electronics, medical devices, and IoT sensors. The enable control feature allows for dynamic power management, making it suitable for systems that require power-saving modes. Additionally, its high PSRR ensures clean power delivery, which is essential for sensitive analog and digital circuits.

Conclusion of LP3999ITL-2.8/NOPB

The LP3999ITL-2.8/NOPB from Texas Instruments is a robust linear regulator designed for applications requiring a stable 2.8V output with minimal power loss. Its low dropout voltage and low quiescent current make it highly efficient, especially in battery-powered devices. The inclusion of over-temperature and short-circuit protection ensures reliability, while the enable control feature provides flexibility in power management. Despite being marked as obsolete, the LP3999ITL-2.8/NOPB remains a viable option for designers seeking a reliable and efficient power solution.