Texas Instruments

LP2985IM5X-2.0

LP2985IM5X-2.0 Description

The LP2985IM5X-2.0 is a fixed-output linear regulator designed by Texas Instruments, offering a robust solution for power management applications. This regulator is part of the Power Management Integrated Circuit (PMIC) category and is housed in a compact SOT23-5 package, making it suitable for space-constrained designs. The device provides a stable 2V output voltage with a maximum output current of 150mA, ensuring reliable power delivery to various electronic components.

LP2985IM5X-2.0 Features

• Output Type: Fixed at 2V, ensuring consistent power supply to sensitive electronics.
• Input Voltage Range: Capable of handling up to 16V, providing flexibility in input power sources.
• Output Current: Delivers up to 150mA, sufficient for driving small to medium-sized loads.
• Low Dropout Voltage: A maximum dropout voltage of 0.58V at 150mA ensures high efficiency, even at low input-to-output voltage differentials.
• Low Quiescent Current: With a quiescent current of 95 µA, the regulator minimizes power consumption in standby modes.
• High PSRR: A Power Supply Rejection Ratio of 45dB at 1kHz helps in filtering out noise from the input supply, resulting in a cleaner output voltage.
• Control Features: Includes an enable function, allowing for dynamic control of the regulator’s operation.
• Protection Features: Over current, over temperature, and short circuit protections ensure robustness and reliability in various operating conditions.
• Mounting Type: Surface mount, facilitating easy integration into modern PCB designs.
• Moisture Sensitivity Level: MSL 1 (Unlimited), indicating the device is suitable for use in a wide range of environmental conditions without additional moisture protection.
• Package: Tape & Reel (TR), ideal for automated pick-and-place assembly processes.

LP2985IM5X-2.0 Applications

The LP2985IM5X-2.0 is well-suited for a variety of applications where a stable and efficient power supply is required. Its compact size and low dropout voltage make it ideal for portable devices, such as smartphones, tablets, and wearable electronics. The regulator’s ability to handle a wide input voltage range and provide a fixed 2V output makes it suitable for powering microcontrollers, sensors, and other low-voltage components. Additionally, its low quiescent current and high PSRR ensure minimal power loss and noise interference, making it a reliable choice for precision electronics.

Conclusion of LP2985IM5X-2.0

The LP2985IM5X-2.0 from Texas Instruments stands out as a versatile and efficient linear regulator, offering a fixed 2V output with a maximum current of 150mA. Its low dropout voltage, high PSRR, and comprehensive protection features make it a reliable choice for a wide range of power management applications. Despite being marked as obsolete, the LP2985IM5X-2.0 remains a valuable component for designers seeking a compact, efficient, and robust power solution. Its compatibility with surface mount technology and ease of integration further enhance its appeal for modern electronics.