Texas Instruments

LP2986ILD-3.3

LP2986ILD-3.3 Description

The LP2986ILD-3.3 is a fixed-output linear voltage regulator designed by Texas Instruments. This device is part of the Linear & Switching Voltage Regulators category and is known for its high performance and reliability. The regulator is designed to provide a stable 3.3V output voltage with a maximum output current of 200mA. It features a low dropout voltage of 0.35V at 200mA, ensuring efficient operation even at low input voltages. The LP2986ILD-3.3 is housed in an 8-lead WSON package, making it suitable for surface mount applications.

LP2986ILD-3.3 Features

• Fixed Output Voltage: The LP2986ILD-3.3 offers a fixed output voltage of 3.3V, providing a stable power supply for various electronic circuits.
• Low Dropout Voltage: With a maximum dropout voltage of 0.35V at 200mA, this regulator ensures efficient operation even when the input voltage is close to the output voltage.
• High PSRR: The regulator boasts a power supply rejection ratio (PSRR) of 65dB at 1kHz, effectively filtering out noise from the input supply and ensuring a clean output voltage.
• Low Quiescent Current: The LP2986ILD-3.3 has a low quiescent current of 120 µA, making it suitable for battery-powered applications where power consumption is a critical factor.
• Protection Features: The regulator includes over-current, over-temperature, and short-circuit protection, safeguarding the device and connected circuits from potential damage.
• Enable Control: The device features an enable control pin, allowing users to turn the regulator on or off as needed, which is useful for power management in complex systems.
• Moisture Sensitivity Level: The LP2986ILD-3.3 has a moisture sensitivity level (MSL) of 1 (unlimited), making it suitable for a wide range of manufacturing environments.
• Mounting Type: The regulator is designed for surface mount applications, offering a compact and reliable solution for modern electronic designs.

LP2986ILD-3.3 Applications

The LP2986ILD-3.3 is ideal for a variety of applications where a stable and efficient power supply is required. Some specific use cases include:

• Embedded Systems: Providing a stable 3.3V supply for microcontrollers, sensors, and other low-power devices in embedded systems.
• Battery-Powered Devices: Suitable for portable electronics where low power consumption and high efficiency are crucial.
• Communication Systems: Ensuring a clean power supply for RF and communication modules, reducing noise and improving signal integrity.
• Industrial Control: Powering control circuits and sensors in industrial environments where reliability and protection features are essential.

Conclusion of LP2986ILD-3.3

The LP2986ILD-3.3 is a robust and efficient linear voltage regulator that offers a stable 3.3V output with a maximum current of 200mA. Its low dropout voltage, high PSRR, and low quiescent current make it an excellent choice for a wide range of applications, particularly in embedded systems and battery-powered devices. The inclusion of protection features and enable control further enhances its versatility and reliability. Despite being marked as obsolete, the LP2986ILD-3.3 remains a valuable component for designers seeking a reliable and efficient power solution.