Texas Instruments

LP2987AIM-2.8/NOPB

LP2987AIM-2.8/NOPB Description

The LP2987AIM-2.8/NOPB is a fixed-output linear voltage regulator designed by Texas Instruments. This regulator is engineered to provide a stable 2.8V output with a maximum output current of 200mA. It features a low dropout voltage of 0.35V at 200mA, which is crucial for maintaining efficiency in applications with tight voltage margins. The regulator operates with an input voltage range up to 16V, making it suitable for a variety of power supply scenarios. The LP2987AIM-2.8/NOPB is housed in an 8-lead SOIC package, ideal for surface-mount applications.

LP2987AIM-2.8/NOPB Features

• Output Type: Fixed at 2.8V, ensuring a stable and reliable power supply.
• Input Voltage Range: Up to 16V, providing flexibility in power source selection.
• Output Current: Capable of delivering up to 200mA, suitable for low to medium power applications.
• Low Dropout Voltage: 0.35V at 200mA, enhancing efficiency and reducing power loss.
• Quiescent Current: Low at 120 µA, minimizing power consumption during standby.
• Power Supply Rejection Ratio (PSRR): 65dB at 1kHz, ensuring high performance in noisy environments.
• Protection Features: Over-current, over-temperature, and short-circuit protection, safeguarding the regulator and connected components.
• Control Features: Enable functionality, allowing for dynamic control and power management.
• Regulator Configuration: Positive output configuration, suitable for standard power supply requirements.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental safety and regulatory adherence.
• Moisture Sensitivity Level (MSL): Level 1 (unlimited), suitable for a wide range of manufacturing environments.

LP2987AIM-2.8/NOPB Applications

The LP2987AIM-2.8/NOPB is well-suited for applications requiring a stable and efficient power supply with a fixed output voltage. Its low dropout voltage and low quiescent current make it ideal for battery-powered devices and portable electronics where power efficiency is critical. The regulator's robust protection features and high PSRR also make it suitable for industrial and automotive applications where reliability and noise immunity are paramount.

Specific use cases include:

• Battery-Powered Devices: Providing a stable power supply in portable electronics such as smartphones, tablets, and IoT devices.
• Industrial Control Systems: Ensuring reliable power for sensors, actuators, and microcontrollers in harsh industrial environments.
• Automotive Electronics: Powering infotainment systems, ECUs, and other automotive electronics where high PSRR and protection features are essential.
• Medical Devices: Supplying stable power to medical equipment where precision and reliability are crucial.

Conclusion of LP2987AIM-2.8/NOPB

The LP2987AIM-2.8/NOPB is a versatile and efficient linear voltage regulator designed for applications requiring a stable 2.8V output. Its low dropout voltage, low quiescent current, and robust protection features make it an ideal choice for a wide range of applications, from portable electronics to industrial and automotive systems. Despite being marked as obsolete, the LP2987AIM-2.8/NOPB remains a reliable and efficient solution for power management needs.