Texas Instruments

LP3985IM5-5.0  

Linear & Switching Voltage Regulators

LP3985IM5-5.0 Description

The LP3985IM5-5.0 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 features a fixed output voltage of 5V with a maximum input voltage of 6V. It is capable of delivering up to 150mA of output current, making it suitable for a wide range of low-power applications. The regulator is housed in a compact SOT23-5 package, ideal for surface-mount applications where space is a critical consideration.

LP3985IM5-5.0 Features

• Output Type: Fixed at 5V, ensuring stable power supply for various electronic components.
• Input Voltage Range: Up to 6V, providing flexibility in input power sources.
• Output Current: Capable of delivering up to 150mA, suitable for low-power devices.
• Low Dropout Voltage: A maximum dropout voltage of 0.1V at 150mA ensures efficient power conversion even at low input voltages.
• Low Quiescent Current: 150 µA, minimizing power consumption during operation.
• Enable Control: The regulator includes an enable feature, allowing for dynamic power control and improved efficiency.
• Protection Features: Over current, over temperature, and short circuit protection ensure reliable operation and protect against potential faults.
• PSRR: 50dB to 40dB across the frequency range of 1kHz to 10kHz, providing excellent noise rejection and stable output voltage.
• Mounting Type: Surface mount, ideal for compact and space-constrained designs.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for a wide range of manufacturing environments.
• Package: Tape & Reel (TR), facilitating efficient handling and assembly in production processes.

LP3985IM5-5.0 Applications

The LP3985IM5-5.0 is well-suited for a variety of applications where a stable, low-power supply is required. Its compact size and efficient power conversion make it ideal for:

• Consumer Electronics: Portable devices, smartphones, and tablets.
• Industrial Applications: Sensors, IoT devices, and other low-power industrial equipment.
• Medical Devices: Portable medical instruments and monitoring devices.
• Telecommunications: Low-power communication modules and remote sensors.
• Automotive: Ancillary systems and electronic control units where space and power efficiency are critical.

Conclusion of LP3985IM5-5.0

The LP3985IM5-5.0 from Texas Instruments is a versatile and efficient linear regulator designed for low-power applications. Its fixed 5V output, low dropout voltage, and low quiescent current make it an ideal choice for applications requiring stable power supply and minimal power consumption. The inclusion of enable control and comprehensive protection features further enhances its reliability and versatility. Despite being marked as obsolete, the LP3985IM5-5.0 remains a valuable component for designers seeking a compact, efficient, and reliable power management solution.

LP3985IM5-5.0 Documents

Download datasheets and manufacturer documentation for LP3985IM5-5.0

Datasheets :

LP3985      

PCN Design/Specification :

Cu Wire Bond 14/May/2013