Texas Instruments

LP3988IMF-2.85/NOPB  

Linear & Switching Voltage Regulators

LP3988IMF-2.85/NOPB Description

The LP3988IMF-2.85/NOPB is a fixed-output linear voltage regulator designed by Texas Instruments. This device is part of the Linear & Switching Voltage Regulators category and is housed in a compact SOT23-5 package, making it suitable for surface mount applications. The regulator features a fixed output voltage of 2.85V and is capable of delivering up to 150mA of output current. It operates with an input voltage range up to 6V and boasts a low dropout voltage of 0.15V at 150mA, ensuring efficient operation even at low input-to-output voltage differentials.

LP3988IMF-2.85/NOPB Features

• Fixed Output Voltage: The LP3988IMF-2.85/NOPB provides a stable output voltage of 2.85V, ensuring consistent power supply to connected devices.
• Low Dropout Voltage: With a maximum dropout voltage of 0.15V at 150mA, this regulator maintains high efficiency, especially in applications where the input voltage is close to the output voltage.
• Low Quiescent Current: The quiescent current of 120 µA ensures minimal power consumption, making it ideal for battery-powered and low-power applications.
• Control Features: The regulator includes enable and power good control features, providing flexibility in power management and system monitoring.
• Protection Features: Over-temperature and short-circuit protection ensure reliable operation and protect the device from damage under adverse conditions.
• High PSRR: The power supply rejection ratio (PSRR) ranges from 65dB to 45dB across frequencies from 1kHz to 10kHz, effectively filtering out noise from the input power supply.
• Compliance and Packaging: The LP3988IMF-2.85/NOPB is ROHS3 compliant and REACH unaffected, ensuring it meets environmental and safety standards. It is packaged in tape and reel (TR) format, facilitating automated assembly processes.

LP3988IMF-2.85/NOPB Applications

The LP3988IMF-2.85/NOPB is well-suited for a variety of applications requiring a stable and efficient power supply. Its low dropout voltage and low quiescent current make it ideal for portable devices and battery-operated systems. The regulator's fixed output voltage and control features are particularly beneficial in applications such as:

• Portable Electronics: Smartphones, tablets, and other handheld devices benefit from the low power consumption and high efficiency of the LP3988IMF-2.85/NOPB.
• Battery Chargers: The regulator's ability to maintain a stable output voltage and low dropout voltage ensures efficient charging processes.
• Medical Devices: The compact size and reliable performance make it suitable for medical equipment where precision and reliability are critical.
• Industrial Control Systems: The regulator's robust protection features and compliance with industry standards make it a reliable choice for industrial applications.

Conclusion of LP3988IMF-2.85/NOPB

The LP3988IMF-2.85/NOPB is a versatile and efficient linear voltage regulator that offers significant advantages over similar models. Its low dropout voltage, low quiescent current, and high PSRR make it an ideal choice for applications requiring high efficiency and minimal power consumption. The inclusion of enable and power good control features, along with over-temperature and short-circuit protection, ensures reliable operation and system safety. Despite being marked as obsolete by Texas Instruments, the LP3988IMF-2.85/NOPB remains a valuable component for designers and engineers looking for a reliable and efficient power solution in various electronic systems.

LP3988IMF-2.85/NOPB Documents

Download datasheets and manufacturer documentation for LP3988IMF-2.85/NOPB