Texas Instruments

LP2985-18DBVRM3  

Linear & Switching Voltage Regulators

LP2985-18DBVRM3 Description

The LP2985-18DBVRM3 is a high-performance, low-dropout linear voltage regulator designed by Texas Instruments. This regulator is part of the Power Management Integrated Circuit (PMIC) category and offers a fixed output voltage of 1.8V with a maximum input voltage of 16V. It is capable of delivering a continuous output current of up to 150mA, making it suitable for a wide range of applications requiring stable and efficient power regulation.

The LP2985-18DBVRM3 features a low dropout voltage of 0.575V at 150mA, which is significantly lower than many comparable regulators. This low dropout voltage allows the regulator to maintain efficient operation even when the input voltage is close to the output voltage, resulting in higher efficiency and reduced power dissipation. The regulator also boasts a low quiescent current of 95µA, contributing to its overall efficiency and making it ideal for battery-powered applications.

LP2985-18DBVRM3 Features

• Output Type: Fixed at 1.8V, ensuring stable power supply to sensitive electronic components.
• Input Voltage Range: Up to 16V, providing flexibility in power source selection.
• Output Current: 150mA, sufficient for driving various loads.
• Low Dropout Voltage: 0.575V at 150mA, enhancing efficiency and reducing power loss.
• Low Quiescent Current: 95µA, ideal for low-power and battery-operated devices.
• Control Features: Includes current limit and enable functions, allowing for precise control and protection of the power supply.
• Protection Features: Over current, over temperature, and under voltage lockout (UVLO) ensure reliable operation and protect the regulator from damage.
• Mounting Type: Surface, mount suitable for compact and high-density PCB designs.
• Package: Tape & Reel (TR), facilitating automated assembly processes.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory standards are met.

LP2985-18DBVRM3 Applications

The LP2985-18DBVRM3 is well-suited for a variety of applications where stable and efficient power regulation is crucial. Some specific use cases include:

• Battery-Powered Devices: The low dropout voltage and low quiescent current make it ideal for portable electronics, such as smartphones, tablets, and wearable devices.
• Industrial Equipment: Provides a stable power supply for sensors, actuators, and other components in industrial control systems.
• Medical Devices: Ensures reliable power delivery for medical instruments and monitoring devices, where precision and stability are paramount.
• Consumer Electronics: Suitable for powering microcontrollers, RF modules, and other low-power components in consumer products.

Conclusion of LP2985-18DBVRM3

The LP2985-18DBVRM3 from Texas Instruments stands out as a versatile and efficient low-dropout linear voltage regulator. Its combination of a fixed 1.8V output, low dropout voltage, and low quiescent current makes it an excellent choice for applications requiring high efficiency and stable power supply. The inclusion of advanced control and protection features further enhances its reliability and usability. Whether for battery-powered devices, industrial applications, or consumer electronics, the LP2985-18DBVRM3 offers a robust solution for power management needs.

LP2985-18DBVRM3 Documents

Download datasheets and manufacturer documentation for LP2985-18DBVRM3

Datasheets :

LP2985