Texas Instruments

LP2985A-50DBVR

LP2985A-50DBVR Description

The LP2985A-50DBVR is a high-performance linear regulator from Texas Instruments, designed to deliver a fixed 5V output voltage with a maximum output current of 150mA. This device is part of the Power Management Integrated Circuits (PMIC) category and is housed in a compact SOT23-5 package, making it ideal for space-constrained applications. The regulator features a maximum input voltage of 16V and offers a low dropout voltage of 0.58V at 150mA, ensuring efficient power conversion even at low input-to-output voltage differentials.

LP2985A-50DBVR Features

• Output Type: Fixed 5V output voltage, providing a stable power supply for various electronic devices.
• Input Voltage Range: Capable of handling input voltages up to 16V, offering flexibility in power source selection.
• Output Current: Delivers up to 150mA of output current, suitable for a wide range of low-power applications.
• Low Dropout Voltage: A maximum dropout voltage of 0.58V at 150mA ensures high efficiency, especially in battery-powered devices where the input voltage may drop close to the output voltage.
• Enable Control Feature: The enable pin allows for dynamic control of the regulator, enabling power-saving modes and reducing power consumption when the regulator is not in use.
• Protection Features: Over-current, over-temperature, and short-circuit protection ensure robust operation and protect the device from potential damage.
• Low Quiescent Current: With a quiescent current of only 95 µA, the LP2985A-50DBVR minimizes power consumption in standby mode.
• High PSRR: A power supply rejection ratio (PSRR) of 45dB at 1kHz helps in filtering out noise from the input power supply, resulting in a cleaner output voltage.
• Compliance and Packaging: The device is REACH unaffected and RoHS3 compliant, ensuring environmental safety. It is available in a surface-mount Tape & Reel (TR) package, facilitating automated assembly processes.

LP2985A-50DBVR Applications

The LP2985A-50DBVR is well-suited for a variety of applications where a stable and efficient power supply is required. Its compact size and low dropout voltage make it ideal for portable and battery-operated devices, such as:

• Consumer Electronics: Smartphones, tablets, and other handheld devices that require a reliable power source.
• Industrial Equipment: Sensors, actuators, and control systems that need a stable 5V supply.
• Medical Devices: Portable medical equipment, such as glucose meters and portable monitors, where low power consumption and high reliability are crucial.
• Automotive Applications: In-vehicle electronics and accessories that operate from the vehicle's electrical system.
• Communication Devices: Routers, modems, and other networking equipment that require a stable power supply.

Conclusion of LP2985A-50DBVR

The LP2985A-50DBVR from Texas Instruments is a versatile and efficient linear regulator designed to meet the demands of modern electronic systems. Its combination of a fixed 5V output, low dropout voltage, and comprehensive protection features make it a reliable choice for a wide range of applications. The enable control feature and low quiescent current further enhance its suitability for battery-powered and low-power applications. With its compact SOT23-5 package and compliance with industry standards, the LP2985A-50DBVR offers a robust and efficient power solution for designers and engineers in the electronics industry.