Texas Instruments

LP2986AILD-3.3

LP2986AILD-3.3 Description

The LP2986AILD-3.3 is a fixed-output linear voltage regulator designed by Texas Instruments, offering a regulated output voltage of 3.3V with a maximum output current of 200mA. This regulator is part of the Power Management Integrated Circuits (PMIC) category and is housed in an 8-lead, wide small outline no-lead (8WSON) package, making it suitable for surface mount applications. Despite its status as an obsolete product, the LP2986AILD-3.3 remains a reliable choice for applications requiring a stable power supply with low dropout voltage and high power supply rejection ratio (PSRR).

LP2986AILD-3.3 Features

• Output Type: Fixed at 3.3V, ensuring stable voltage supply.
• Input Voltage Range: Capable of handling input voltages up to 16V, providing flexibility in power source selection.
• Output Current: Delivers a maximum output current of 200mA, suitable for low to medium power applications.
• Low Dropout Voltage: With a maximum dropout voltage of 0.35V at 200mA, the LP2986AILD-3.3 operates efficiently even when the input voltage is close to the output voltage.
• High PSRR: A PSRR of 65dB at 1kHz ensures minimal noise and ripple in the output voltage, making it ideal for sensitive analog circuits.
• Control Features: Includes an enable pin, allowing for dynamic control of the regulator's operation.
• Protection Features: Equipped with over-current, over-temperature, and short-circuit protection, ensuring robustness and reliability in various operating conditions.
• Low Quiescent Current: A quiescent current of 120 µA minimizes power consumption in standby mode.
• Moisture Sensitivity Level: MSL 1 (unlimited), indicating the device is not sensitive to moisture, suitable for a wide range of environmental conditions.
• Package Type: Tape & Reel (TR) packaging facilitates easy handling and integration into automated assembly processes.

LP2986AILD-3.3 Applications

The LP2986AILD-3.3 is well-suited for a variety of applications where a stable and efficient power supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering low-power devices such as smartphones, tablets, and portable media players, where a stable 3.3V supply is necessary.
• Industrial Control Systems: Suitable for powering sensors and microcontrollers in industrial environments, where reliability and low noise are critical.
• Medical Devices: Applicable in medical equipment requiring precise voltage regulation and low power consumption, such as portable diagnostic devices.
• Telecommunications: Used in base stations and other telecom equipment for providing stable power to critical components.
• Automotive Electronics: Suitable for in-vehicle systems where a reliable power supply is essential for safety and performance.

Conclusion of LP2986AILD-3.3

The LP2986AILD-3.3 from Texas Instruments is a robust and efficient linear voltage regulator that offers a fixed 3.3V output with a maximum current of 200mA. Its low dropout voltage, high PSRR, and comprehensive protection features make it a reliable choice for a wide range of applications. Despite its obsolete status, the LP2986AILD-3.3 remains a viable option for designers seeking a stable and efficient power solution. Its surface mount package and moisture resistance further enhance its suitability for modern electronics.