LP2992AIM5-3.3

The LP2992AIM5-3.3 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage of 3.3 volts with a maximum output current of 250 mA. This device is particularly useful in applications where space is limited and efficiency is critical, such as in portable electronics, battery-powered devices, and other compact systems.

Key Features:

1. Output Voltage: The LP2992AIM5-3.3 provides a fixed output voltage of 3.3V, making it suitable for powering various digital circuits and microcontrollers that require this specific voltage level.

2. Low Dropout Voltage: The LDO features a low dropout voltage, typically around 300 mV at full load, which allows it to maintain regulation even when the input voltage is only slightly above the output voltage. This is particularly advantageous in battery-operated devices where maximizing battery life is essential.

3. Quiescent Current: The device has a low quiescent current, which helps to extend battery life in portable applications. This characteristic is crucial for applications that require long operational periods on limited power sources.

4. Thermal Protection: The LP2992AIM5-3.3 includes built-in thermal shutdown protection, which prevents the device from overheating and potentially damaging itself or the connected load.

5. Output Capacitor: The regulator is stable with a wide range of output capacitors, including ceramic capacitors, which are often preferred for their small size and low equivalent series resistance (ESR).

6. Package Type: The LP2992AIM5-3.3 is available in a small 5-pin SOT-23 package, making it suitable for space-constrained applications. The compact size allows for easy integration into various circuit designs.

7. Applications: This LDO is ideal for use in a variety of applications, including:

   • Powering microcontrollers and digital signal processors (DSPs)
   • Battery-powered devices
   • Portable electronics
   • RF applications
   • Any application requiring a stable 3.3V power supply

Electrical Characteristics:

• Input Voltage Range: Typically from 2.5V to 16V, allowing for flexibility in design.
• Load Regulation: Excellent load regulation performance ensures that the output voltage remains stable under varying load conditions.
• Line Regulation: The device maintains good line regulation, ensuring minimal output voltage variation with changes in input voltage.

Conclusion:

The LP2992AIM5-3.3 from Texas Instruments is a highly efficient, compact, and reliable voltage regulator that meets the needs of modern electronic designs requiring a stable 3.3V output. Its low dropout voltage, low quiescent current, and thermal protection features make it an excellent choice for a wide range of applications, particularly in battery-operated and space-constrained environments.