Texas Instruments

LP2985AIM5-2.7

LP2985AIM5-2.7 Description

The LP2985AIM5-2.7 is a fixed-output linear regulator from Texas Instruments, designed to provide a stable 2.7V output voltage with a maximum output current of 150mA. This regulator is housed in a compact SOT23-5 package, making it suitable for surface mount applications. The LP2985AIM5-2.7 features a maximum input voltage of 16V and a low dropout voltage of 0.58V at 150mA, ensuring efficient operation even at low input-to-output voltage differentials. With a quiescent current of 95 µA and a supply current of 2.5 mA, this regulator is optimized for low-power applications. The device also includes an enable control feature, allowing for power management and control flexibility. Protection features such as over-current, over-temperature, and short-circuit protection ensure robustness and reliability in various operating conditions. Despite its status as an obsolete product, the LP2985AIM5-2.7 remains a viable option for applications that require a reliable and efficient low-voltage regulator.

LP2985AIM5-2.7 Features

• Fixed Output Voltage: Provides a stable 2.7V output, ensuring consistent performance in applications requiring a fixed voltage supply.
• Low Dropout Voltage: With a maximum dropout voltage of 0.58V at 150mA, the LP2985AIM5-2.7 operates efficiently even with small input-to-output voltage differences, making it suitable for battery-powered devices.
• High PSRR: The regulator offers a power supply rejection ratio (PSRR) of 45dB at 1kHz, effectively filtering out noise from the input supply and ensuring a clean output voltage.
• Enable Control: The enable feature allows for dynamic control of the regulator, enabling power savings and control flexibility in complex power management systems.
• Protection Features: Over-current, over-temperature, and short-circuit protection safeguard the device and connected circuits from damage, enhancing reliability.
• Low Quiescent Current: A quiescent current of 95 µA ensures minimal power consumption in standby or low-load conditions, making it ideal for low-power applications.
• Compact SOT23-5 Package: The surface mount package is small and easy to integrate into compact designs, suitable for space-constrained applications.

LP2985AIM5-2.7 Applications

The LP2985AIM5-2.7 is well-suited for a variety of applications that require a reliable and efficient low-voltage regulator. Some specific use cases include:

• Battery-Powered Devices: Ideal for portable electronics and battery-operated systems where low dropout voltage and low quiescent current are critical for extending battery life.
• Consumer Electronics: Suitable for applications such as smartphones, tablets, and other portable devices that require stable voltage regulation.
• Industrial Equipment: Can be used in industrial control systems and instrumentation where a compact and reliable power supply is necessary.
• Medical Devices: Applicable in medical equipment that demands precise voltage regulation and low power consumption.
• Telecommunications: Useful in communication devices and infrastructure where stable power supply and low noise are essential.

Conclusion of LP2985AIM5-2.7

The LP2985AIM5-2.7 from Texas Instruments is a robust and efficient fixed-output linear regulator that offers several key advantages over similar models. Its low dropout voltage, high PSRR, and low quiescent current make it an excellent choice for low-power applications requiring stable voltage regulation. The enable control feature and comprehensive protection mechanisms further enhance its versatility and reliability. Despite being marked as obsolete, the LP2985AIM5-2.7 remains a reliable option for applications that demand a compact, efficient, and stable power supply solution.