LP2985AIM5X-2.8/NOPB

The LP2985AIM5X-2.8/NOPB is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage of 2.8V with a maximum output current of 150mA. This device is particularly useful in applications where space is limited, as it comes in a compact 5-pin SOT-23 package, making it suitable for portable and battery-powered devices.

Key Features:

1. Output Voltage: The LP2985AIM5X-2.8/NOPB provides a fixed output voltage of 2.8V, which is ideal for powering low-voltage digital circuits and other sensitive components.

2. Low Dropout Voltage: The LDO features a low dropout voltage of approximately 0.2V at 150mA, allowing it to maintain regulation even when the input voltage is close to the output voltage. This characteristic is particularly beneficial in battery-operated devices where maximizing battery life is crucial.

3. Quiescent Current: The device has a low quiescent current, typically around 30µA, which helps to extend battery life in portable applications.

4. Thermal Protection: The LP2985 includes built-in thermal shutdown protection, which prevents the device from overheating and ensures reliable operation under varying load conditions.

5. Output Capacitor: It 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. Power Supply Rejection Ratio (PSRR): The regulator exhibits good PSRR, which helps to filter out noise from the input supply, providing a clean output voltage.

7. Operating Temperature Range: The device operates over a wide temperature range, typically from -40°C to +125°C, making it suitable for various environmental conditions.

8. Pin Configuration: The SOT-23 package has a simple pin configuration, which includes input, output, ground, and enable pins, facilitating easy integration into circuit designs.

Applications:

The LP2985AIM5X-2.8/NOPB is commonly used in applications such as:

• Portable electronics (e.g., smartphones, tablets)
• Battery-powered devices
• Microcontroller power supplies
• RF and wireless applications
• Automotive electronics

Conclusion:

Overall, the LP2985AIM5X-2.8/NOPB from Texas Instruments is a versatile and efficient LDO voltage regulator that provides reliable performance in a compact package. Its low dropout voltage, low quiescent current, and thermal protection features make it an excellent choice for a wide range of electronic applications where space and power efficiency are critical.