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LP2989ILD-285

LP2989ILD-285 Description

The LP2989ILD-285 is a high-performance linear regulator designed for applications requiring a fixed output voltage of 2.85V. Manufactured by National Semiconductor, this device is part of the Power Management Integrated Circuit (PMIC) category and is ideal for a variety of electronic systems. The regulator is designed to operate with an input voltage range up to 16V and can deliver a maximum output current of 500mA. It features a low dropout voltage of 0.65V at 500mA, ensuring efficient operation even under low input-to-output voltage differentials.

LP2989ILD-285 Features

• Output Type: Fixed at 2.85V, providing a stable and reliable power supply.
• Input Voltage Range: Capable of handling up to 16V, making it suitable for a wide range of input sources.
• Output Current: Delivers up to 500mA, sufficient for powering various electronic components.
• Low Dropout Voltage: 0.65V at 500mA, ensuring high efficiency even when the input voltage is close to the output voltage.
• Quiescent Current: Only 175 µA, minimizing power consumption during standby or low-load conditions.
• Power Supply Rejection Ratio (PSRR): 60dB at 1kHz, effectively filtering out noise from the input power supply.
• Control Features: Includes an enable function, allowing for precise control over the regulator's operation.
• Protection Features: Over current, over temperature, and short circuit protection ensure the device's longevity and reliability.
• Mounting Type: Surface mount, suitable for compact and space-efficient designs.
• Package: Bulk packaging, ideal for large-scale production and assembly.
• Product Status: Active, ensuring availability for current and future projects.
• REACH Status: REACH Affected, complying with environmental and safety regulations.

LP2989ILD-285 Applications

The LP2989ILD-285 is well-suited for a variety of applications where a stable and efficient power supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and portable gaming consoles that require a fixed voltage supply.
• Industrial Equipment: Suitable for powering sensors, actuators, and control systems in industrial environments.
• Medical Devices: Provides a reliable power source for medical equipment that requires precise voltage regulation.
• Telecommunications: Can be used in base stations, routers, and other telecom equipment where low dropout voltage and high efficiency are critical.
• Automotive Systems: Suitable for in-vehicle electronics, such as infotainment systems and electronic control units, due to its robust protection features and ability to handle a wide range of input voltages.

Conclusion of LP2989ILD-285

The LP2989ILD-285 from National Semiconductor is a versatile and efficient linear regulator designed to meet the demands of modern electronic systems. Its low dropout voltage, high PSRR, and comprehensive protection features make it a reliable choice for a wide range of applications. The enable function and surface mount packaging further enhance its flexibility and ease of integration into various designs. With its active product status and compliance with REACH regulations, the LP2989ILD-285 is an excellent choice for engineers looking for a high-performance, fixed-output linear regulator.