Texas Instruments

LP3985ITL-285/NOPB  

Linear & Switching Voltage Regulators

LP3985ITL-285/NOPB Description

The LP3985ITL-285/NOPB is a high-performance linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of 2.85V with a maximum output current of 150mA. This regulator is optimized for low power consumption, featuring a maximum supply current of 250 µA and a quiescent current of 150 µA. The device is housed in a compact 5DSBGA package, making it suitable for surface-mount applications. With a maximum input voltage of 6V and a dropout voltage of only 0.1V at 150mA, the LP3985ITL-285/NOPB ensures efficient power regulation even under low input-to-output voltage differentials. The regulator also includes enable control features and comprehensive protection mechanisms such as over-current, over-temperature, and short-circuit protection, ensuring robust and reliable performance in various operating conditions.

LP3985ITL-285/NOPB Features

• Fixed Output Voltage: Provides a stable 2.85V output, ideal for applications requiring precise voltage regulation.
• High Efficiency: Achieves a low dropout voltage of 0.1V at 150mA, minimizing power loss and enhancing overall efficiency.
• Low Power Consumption: Features a maximum supply current of 250 µA and a quiescent current of 150 µA, making it suitable for low-power applications.
• Enable Control: Offers enable functionality, allowing for dynamic control of the regulator's operation.
• Comprehensive Protection: Includes over-current, over-temperature, and short-circuit protection, ensuring reliable performance and safeguarding against potential faults.
• Compact Packaging: Utilizes a 5DSBGA package, suitable for surface-mount applications and ideal for space-constrained designs.
• Wide Input Voltage Range: Supports a maximum input voltage of 6V, providing flexibility in power source selection.
• High PSRR: Achieves a power supply rejection ratio of 50dB to 40dB across the frequency range of 1kHz to 10kHz, ensuring minimal noise and ripple in the output voltage.

LP3985ITL-285/NOPB Applications

The LP3985ITL-285/NOPB is well-suited for a variety of applications where precise voltage regulation, low power consumption, and high efficiency are critical. Some specific use cases include:

• Portable Electronics: Ideal for battery-powered devices such as smartphones, tablets, and wearables, where low power consumption and high efficiency are essential.
• Consumer Electronics: Suitable for applications such as digital cameras, media players, and other portable consumer devices requiring stable voltage regulation.
• Communication Devices: Can be used in wireless modems, routers, and other communication equipment where reliable power management is crucial.
• Industrial Control Systems: Applicable in various industrial applications, including sensors, actuators, and control modules, where precise voltage regulation and robust protection features are required.
• Medical Devices: Suitable for medical equipment such as portable monitors, diagnostic tools, and wearable health devices, where low power consumption and high reliability are paramount.

Conclusion of LP3985ITL-285/NOPB

The LP3985ITL-285/NOPB from Texas Instruments is a versatile and efficient linear voltage regulator, offering a fixed 2.85V output with a maximum current of 150mA. Its low dropout voltage, low power consumption, and comprehensive protection features make it an ideal choice for a wide range of applications, particularly in portable and low-power electronics. The compact 5DSBGA package and surface-mount compatibility further enhance its suitability for space-constrained designs. With its high PSRR and enable control functionality, the LP3985ITL-285/NOPB provides reliable and precise voltage regulation, ensuring optimal performance in various operating conditions.

LP3985ITL-285/NOPB Documents

Download datasheets and manufacturer documentation for LP3985ITL-285/NOPB

PCN Assembly/Origin :

Wafer Process Revision A 14/Jul/2014      

Datasheets :

LP3985 Datasheet      

HTML Datasheet :

LP3985 Datasheet