Texas Instruments

LP2985IM5-3.5

LP2985IM5-3.5 Description

The LP2985IM5-3.5 is a fixed-output linear regulator from Texas Instruments, designed to provide a stable 3.5V output voltage with a maximum output current of 150mA. 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 surface mount applications. Despite its small size, the LP2985IM5-3.5 offers robust performance and a range of protective features, making it a reliable choice for various electronic designs.

LP2985IM5-3.5 Features

• Output Type: Fixed at 3.5V, ensuring a stable voltage supply.
• Input Voltage Range: Capable of handling input voltages up to 16V, providing flexibility in power source selection.
• Output Current: Delivers a maximum of 150mA, suitable for low-power applications.
• Low Dropout Voltage: With a maximum dropout voltage of 0.58V at 150mA, the LP2985IM5-3.5 maintains efficiency even at low input-to-output voltage differentials.
• Low Quiescent Current: Consumes only 95 µA in quiescent mode, minimizing power loss.
• High PSRR: Achieves 45dB at 1kHz, ensuring high noise rejection and stable output.
• Control Features: Includes an enable pin for easy control and power management.
• Protection Features: Offers over-current, over-temperature, and short-circuit protection, enhancing reliability and longevity.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for a wide range of manufacturing environments.
• Compliance: REACH Unaffected and ECCN EAR99, ensuring compliance with international regulations.
• Packaging: Available in Tape & Reel (TR) format, facilitating automated assembly processes.

LP2985IM5-3.5 Applications

The LP2985IM5-3.5 is ideal for a variety of applications where a stable, low-power supply is required. Its compact size and robust features make it suitable for:

• Consumer Electronics: Portable devices, wearables, and IoT devices that require efficient power management.
• Telecommunications: Low-power communication modules and base stations.
• Industrial Equipment: Sensor networks, PLCs, and other industrial control systems.
• Medical Devices: Portable medical devices and diagnostic equipment where reliability and low power consumption are critical.
• Automotive: Ancillary systems and electronic control units that demand stable voltage regulation.

Conclusion of LP2985IM5-3.5

The LP2985IM5-3.5 from Texas Instruments is a versatile and reliable linear regulator designed for applications requiring a stable 3.5V output. Its low dropout voltage, low quiescent current, and high PSRR make it an efficient choice for low-power designs. With features like enable control and comprehensive protection mechanisms, the LP2985IM5-3.5 offers enhanced flexibility and reliability. Despite being marked as obsolete, its performance and features continue to make it a valuable component for various electronic applications.