The LP2987AILD-3.3 from Texas Instruments is a highly reliable, low-dropout voltage regulator designed to deliver a fixed output of 3.3V with an impressive accuracy of ±1%. This device is part of the LP2987 series, which is renowned for its low dropout performance and robust power management capabilities.

With an ability to support an input voltage range from 2.7V to 7V, the LP2987AILD-3.3 is versatile and suitable for a wide array of applications, including battery-powered devices, portable electronics, and other systems requiring a stable 3.3V supply. The device is capable of providing an output current of up to 200mA, making it an excellent choice for moderate load conditions.

Key Features:

• Output Voltage: Fixed 3.3V with ±1% accuracy.
• Dropout Voltage: Typically 280mV at full load (200mA).
• Output Current: Up to 200mA.
• Input Voltage Range: 2.7V to 7V, accommodating a variety of power sources.
• Thermal Protection: Internal thermal shutdown protection to prevent overheating.
• Low Noise: Offers low output noise, which is ideal for sensitive RF and analog circuitry.
• Stable with Low ESR Capacitors: Stable with ceramic capacitors as low as 1µF, providing flexibility in design.

Applications:

• Battery-powered devices
• Portable electronics
• Microcontroller power supply
• Wireless communication systems
• Peripheral power supply

The LP2987AILD-3.3 comes in a small, surface-mount DFN package, which is conducive to space-constrained applications. Its low dropout voltage and high accuracy make it an excellent candidate for maintaining a stable voltage in systems that are sensitive to power supply variations. Additionally, the device's low quiescent current enhances its suitability for battery-operated devices by contributing to a longer battery life.

Overall, the LP2987AILD-3.3 is a robust, efficient, and high-performance voltage regulator that offers a compact solution for a wide range of electronic applications. Its ability to deliver a clean and stable output voltage ensures reliable operation, making it a preferred choice for designers looking for a quality power management solution.