Texas Instruments

LP2988IMMX-3.0/NOPB

LP2988IMMX-3.0/NOPB Description

The LP2988IMMX-3.0/NOPB is a fixed-output linear voltage regulator designed by Texas Instruments. This device is part of the Linear & Switching Voltage Regulators category and offers a robust solution for applications requiring a stable 3V output at up to 200mA. The regulator is housed in an 8VSSOP package, making it suitable for surface-mount applications. Despite its small form factor, the LP2988IMMX-3.0/NOPB delivers high performance with a maximum input voltage of 16V and a dropout voltage of only 0.35V at full load. It features low quiescent current (120 µA) and excellent power supply rejection ratio (PSRR) of 65dB at 1kHz, ensuring minimal noise and high stability in the output voltage.

LP2988IMMX-3.0/NOPB Features

• Output Type: Fixed at 3V, providing a stable and reliable power source for various electronic circuits.
• Input Voltage Range: Capable of handling input voltages up to 16V, making it versatile for different power supply configurations.
• Output Current: Delivers up to 200mA, sufficient for powering multiple low-power devices or components.
• Low Dropout Voltage: With a maximum dropout voltage of 0.35V at 200mA, the regulator maintains efficiency even at low input-to-output voltage differentials.
• Low Quiescent Current: Consumes only 120 µA in quiescent state, minimizing power loss and extending battery life in portable applications.
• High PSRR: Achieves 65dB at 1kHz, ensuring high stability and low noise in the output voltage, which is crucial for sensitive analog circuits.
• Control Features: Includes an enable function, allowing users to control the regulator's operation dynamically.
• Protection Features: Equipped with over-current, over-temperature, and short-circuit protection, ensuring robustness and reliability in various operating conditions.
• Compliance: Meets REACH and RoHS3 compliance standards, ensuring environmental sustainability and regulatory adherence.

LP2988IMMX-3.0/NOPB Applications

The LP2988IMMX-3.0/NOPB is ideal for a wide range of applications where a stable and efficient power supply is required. Some specific use cases include:

• Portable Electronics: Suitable for battery-operated devices such as smartphones, tablets, and portable gaming consoles, where low quiescent current and high PSRR are critical for extended battery life and stable performance.
• Medical Devices: Ideal for medical equipment that requires low noise and high reliability, such as portable diagnostic tools and wearable health monitors.
• Industrial Automation: Can be used in sensors, controllers, and other industrial devices that need a stable power supply to ensure accurate and consistent operation.
• Consumer Electronics: Applicable in various consumer electronics, including audio equipment, where low noise and high stability are essential for high-quality performance.

Conclusion of LP2988IMMX-3.0/NOPB

The LP2988IMMX-3.0/NOPB from Texas Instruments is a high-performance linear voltage regulator that offers a fixed 3V output with up to 200mA of current. Its low dropout voltage, low quiescent current, and high PSRR make it an excellent choice for applications requiring stable and efficient power supply solutions. The inclusion of enable control and comprehensive protection features further enhances its versatility and reliability. While the product is marked as obsolete, it remains a valuable component for existing designs and legacy systems. For new designs, engineers may consider exploring newer models from Texas Instruments that build upon the LP2988's legacy, offering enhanced performance and additional features.