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LP2988AIMM-2.7

LP2988AIMM-2.7 Description

The LP2988AIMM-2.7 is a linear regulator designed by National Semiconductor, a leading manufacturer in the field of power management integrated circuits (PMICs). This regulator is specifically engineered to provide a stable 2.7V output voltage with a maximum output current of 200mA. It is housed in an 8VSSOP package, making it suitable for surface mount applications. Despite being marked as obsolete, the LP2988AIMM-2.7 remains a robust choice for applications requiring a fixed positive output configuration with low quiescent current and effective protection features.

LP2988AIMM-2.7 Features

• Low Quiescent Current: The LP2988AIMM-2.7 boasts a low quiescent current of 120 µA, which is ideal for battery-operated devices where power efficiency is crucial.
• High PSRR: With a power supply rejection ratio (PSRR) of 65dB at 1kHz, this regulator effectively minimizes noise and ripple, ensuring a clean output voltage.
• Wide Input Voltage Range: The regulator can operate with input voltages up to 16V, providing flexibility in various power supply scenarios.
• Low Dropout Voltage: A maximum dropout voltage of 0.35V at 200mA ensures high efficiency, especially when operating near the input voltage limit.
• Protection Features: The LP2988AIMM-2.7 includes over-current, over-temperature, and short-circuit protection, safeguarding the regulator and downstream components from potential damage.
• Enable Control Feature: The enable feature allows for easy control of the regulator's operation, enabling power savings and dynamic power management.
• Surface Mount Compatibility: The 8VSSOP package is designed for surface mount technology (SMT), facilitating integration into compact and high-density PCB designs.

LP2988AIMM-2.7 Applications

The LP2988AIMM-2.7 is well-suited for a variety of applications where a stable, low-voltage power supply is required. Some specific use cases include:

• Battery-Powered Devices: Ideal for portable electronics such as smartphones, tablets, and wearable devices where low quiescent current and high efficiency are essential.
• Consumer Electronics: Suitable for applications like digital cameras, media players, and other consumer devices that require a reliable and efficient power supply.
• Industrial Equipment: Can be used in industrial control systems, sensors, and instrumentation where stable voltage regulation and protection features are critical.
• Medical Devices: Applicable in medical equipment such as portable monitors and diagnostic tools, where precision and reliability are paramount.

Conclusion of LP2988AIMM-2.7

The LP2988AIMM-2.7 from National Semiconductor is a versatile linear regulator with a fixed 2.7V output and a maximum output current of 200mA. Its low quiescent current, high PSRR, and low dropout voltage make it an efficient and reliable choice for a wide range of applications. The inclusion of over-current, over-temperature, and short-circuit protection ensures robustness and reliability. Although marked as obsolete, the LP2988AIMM-2.7 remains a valuable option for engineers seeking a compact, efficient, and feature-rich linear regulator for their designs.