Texas Instruments

LP3985IBPX-3.1/NOPB  

Linear & Switching Voltage Regulators

LP3985IBPX-3.1/NOPB Description

The LP3985IBPX-3.1/NOPB is a fixed-output linear voltage regulator designed by Texas Instruments. This regulator is part of the LP3985 series and offers a stable 3.1V output voltage with a maximum output current of 150mA. It is designed for surface-mount applications and comes in a 5DSBGA package. The regulator is optimized for low dropout voltage, ensuring efficient operation even at low input voltages. With a maximum input voltage of 6V and a dropout voltage of only 0.1V at 150mA, the LP3985IBPX-3.1/NOPB is highly efficient and suitable for a wide range of applications.

LP3985IBPX-3.1/NOPB Features

• Fixed Output Voltage: The regulator provides a stable 3.1V output, making it ideal for applications requiring a precise and consistent voltage supply.
• Low Dropout Voltage: With a maximum dropout voltage of 0.1V at 150mA, the LP3985IBPX-3.1/NOPB ensures high efficiency, especially in applications where the input voltage is close to the output voltage.
• Low Quiescent Current: The regulator features a low quiescent current of 150 µA, which minimizes power consumption in standby mode, making it suitable for battery-powered devices.
• Enable Control Feature: The enable pin allows for easy control of the regulator's operation, enabling power-saving modes and dynamic power management.
• Protection Features: The regulator includes over-current, over-temperature, and short-circuit protection, ensuring reliable operation and safeguarding against potential faults.
• High PSRR: The regulator offers a high power supply rejection ratio (PSRR) of 50dB to 40dB across the frequency range of 1kHz to 10kHz, ensuring clean and stable output voltage even in noisy environments.
• Surface Mount Package: The 5DSBGA package is suitable for compact and space-constrained designs, facilitating easy integration into modern electronic systems.

LP3985IBPX-3.1/NOPB Applications

The LP3985IBPX-3.1/NOPB is well-suited for a variety of applications, including:

• Battery-Powered Devices: The low dropout voltage and low quiescent current make it ideal for portable electronics and battery-operated systems where power efficiency is crucial.
• Consumer Electronics: Suitable for devices such as smartphones, tablets, and wearables that require a stable and efficient power supply.
• Industrial Equipment: The regulator can be used in industrial control systems, sensors, and instrumentation where reliability and precision are paramount.
• Medical Devices: The LP3985IBPX-3.1/NOPB is suitable for medical equipment that demands high reliability and low power consumption.
• Automotive Applications: The regulator can be used in automotive electronics, such as infotainment systems and electronic control units, where space and efficiency are critical.

Conclusion of LP3985IBPX-3.1/NOPB

The LP3985IBPX-3.1/NOPB is a robust and efficient linear voltage regulator designed for applications requiring a stable 3.1V output. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for power-sensitive and space-constrained designs. The inclusion of enable control and comprehensive protection features further enhances its versatility and reliability. While the product is marked as obsolete, it remains a viable option for existing designs and applications where its unique features and performance benefits are required.

LP3985IBPX-3.1/NOPB Documents

Download datasheets and manufacturer documentation for LP3985IBPX-3.1/NOPB