Texas Instruments

LP2986AIMX-3.3

LP2986AIMX-3.3 Description

The LP2986AIMX-3.3 is a fixed output linear regulator designed by Texas Instruments, offering a stable 3.3V output voltage with a maximum output current of 200mA. This regulator is part of the Power Management Integrated Circuit (PMIC) category and is housed in an 8SOIC package, making it suitable for surface mount applications. Despite being marked as obsolete, the LP2986AIMX-33. remains a reliable choice for applications requiring a low dropout voltage and high power supply rejection ratio (PSRR).

LP2986AIMX-3.3 Features

• Fixed Output Voltage: The LP2986AIMX-3.3 provides a stable 3.3V output, ensuring consistent power supply to sensitive electronic components.
• Low Dropout Voltage: With a maximum dropout voltage of 0.35V at 200mA, this regulator efficiently operates even when the input voltage is close to the output voltage, making it ideal for battery-powered applications.
• High PSRR: The regulator boasts a power supply rejection ratio of 65dB at 1kHz, effectively filtering out noise and ripple from the input supply, thereby improving the overall signal quality.
• Enable Control Feature: The enable feature allows for dynamic control of the regulator's operation, enabling power savings and efficient management of power states.
• Protection Features: Over-current, over-temperature, and short-circuit protections ensure robustness and reliability, safeguarding both the regulator and the connected circuitry from potential damage.
• Low Quiescent Current: With a quiescent current of only 120 µA, the LP2986AIMX-3.3 minimizes power consumption during standby or low-load conditions, extending battery life in portable devices.
• Moisture Sensitivity Level: Rated at MSL 1 (Unlimited), the regulator is suitable for a wide range of environmental conditions without the need for special handling precautions.

LP2986AIMX-3.3 Applications

The LP2986AIMX-3.3 is well-suited for a variety of applications where stable voltage regulation and low power consumption are critical. Some specific use cases include:

• Battery-Powered Devices: Ideal for portable electronics such as smartphones, tablets, and wearable devices where low dropout voltage and high PSRR are essential for maintaining performance and extending battery life.
• Embedded Systems: Suitable for microcontroller-based systems and IoT devices that require reliable power regulation and minimal power loss.
• Communication Equipment: Effective in providing stable power to communication modules and RF circuits, where noise and ripple suppression are crucial for maintaining signal integrity.
• Industrial Control Systems: Applicable in industrial automation and control systems where robustness and protection features are necessary to withstand harsh operating conditions.

Conclusion of LP2986AIMX-3.3

The LP2986AIMX-3.3 from Texas Instruments is a versatile and reliable linear regulator that offers a stable 3.3V output with a maximum current of 200mA. Its low dropout voltage, high PSRR, and comprehensive protection features make it an excellent choice for a wide range of applications, particularly in battery-powered and sensitive electronic systems. Despite its obsolete status, LP the2986AIMX-3.3 continues to provide exceptional performance and reliability, making it a valuable component in modern electronic designs.