Texas Instruments

LP2966IMMX-3325

LP2966IMMX-3325 Description

The LP2966IMMX-3325 is a linear voltage regulator designed by Texas Instruments, offering fixed output voltages of 3.3V and 2.5V with a maximum output current of150mA. This device is part of the Power Management Integrated Circuits (PMIC) category and is housed in an 8-VSSOP package, suitable for surface-mount applications. Despite being marked as obsolete, the LP2966IMMX-3325 remains a reliable choice for applications requiring stable voltage regulation with minimal dropout voltage and robust protection features.

LP2966IMMX-3325 Features

• Output Type: Fixed output voltages of 3.3V and 2.5V ensure consistent power supply to sensitive electronic components.
• Input Voltage Range: The regulator can operate with input voltages up to 7V, providing flexibility in power source selection.
• Output Current: Capable of delivering a maximum output current of 150mA, making it suitable for low to medium power applications.
• Low Dropout Voltage: With a maximum dropout voltage of 0.27V at 150mA, the LP2966IMMX-3325 maintains high efficiency even under low input-to-output voltage differentials.
• Control Features: An enable pin allows for dynamic control of the regulator, enabling power-saving modes and precise regulation.
• Protection Features: Over-current, over-temperature, and short-circuit protections ensure the device's longevity and reliability in various operating conditions.
• Low Quiescent Current: A quiescent current of 300 µA minimizes power consumption during standby or low-load conditions.
• High PSRR: The regulator boasts a power supply rejection ratio (PSRR) of 60dB to 40dB at 120Hz, effectively filtering out noise from the input supply.
• Moisture Sensitivity Level: MSL 1 (Unlimited) indicates that the device is not sensitive to moisture, making it suitable for a wide range of environmental conditions.
• Packaging: The device is available in a Tape & Reel (TR) package, facilitating automated assembly processes.

LP2966IMMX-3325 Applications

The LP2966IMMX-3325 is ideal for a variety of applications where stable and efficient voltage regulation is crucial. Key use cases include:

• Consumer Electronics: Ideal for powering microcontrollers, sensors, and other low-power components in devices such as smartphones, tablets, and IoT devices.
• Industrial Equipment: Suitable for industrial control systems, where reliable power supply essential is for maintaining operational stability.
• Medical Devices: Provides stable power to critical components in medical equipment, ensuring accurate performance and reliability.
• Telecommunications: Used in base stations and other communication infrastructure to power sensitive electronic components.

Conclusion of LP2966IMMX-3325

The LP2966IMMX-3325 from Texas Instruments is a versatile linear voltage regulator that offers fixed output voltages of 3.3V and 2.5V with a maximum output current of 150mA. Its low dropout voltage, high PSRR, and robust protection features make it a reliable choice for a wide range of applications. Despite being marked as obsolete, the device's performance characteristics and compatibility with various power sources ensure its continued relevance in the electronics industry. For designers seeking a stable and efficient power solution, the LP2966IMMX-3325 remains a compelling option.