LP5900SD-2.5/NOPB

The LP5900SD-2.5/NOPB is a low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage of 2.5V with a maximum output current of 200mA. This device is particularly useful in battery-powered applications due to its low quiescent current, which helps to extend battery life.

Key Features:

1. Output Voltage: The LP5900SD-2.5/NOPB provides a fixed output voltage of 2.5V, making it suitable for powering various low-voltage digital circuits and components.

2. Low Dropout Voltage: The LDO features a low dropout voltage of approximately 300mV at full load, which allows it to maintain regulation even when the input voltage is close to the output voltage.

3. Quiescent Current: The device boasts a very low quiescent current, typically around 1.5µA, which is advantageous for applications where power efficiency is critical.

4. Power Supply Rejection Ratio (PSRR): The LP5900SD-2.5/NOPB has a high PSRR, which helps to minimize the impact of input voltage fluctuations on the output voltage, ensuring a clean and stable power supply.

5. Thermal Protection: The regulator includes built-in thermal shutdown protection, which prevents damage to the device in case of overheating.

6. Package Type: The LP5900SD-2.5/NOPB is available in a small, space-saving SOT-23 package, making it suitable for compact designs where board space is limited.

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. Applications: This LDO is ideal for use in portable devices, wireless applications, and any circuit requiring a stable 2.5V power supply, such as microcontrollers, sensors, and RF devices.

Electrical Characteristics:

• Input Voltage Range: The LP5900SD-2.5/NOPB can accept input voltages typically ranging from 2.5V to 6V.
• Output Current: It can deliver up to 200mA of output current, making it versatile for different load requirements.
• Output Voltage Tolerance: The output voltage tolerance is typically ±2%, ensuring reliable performance in precision applications.

Conclusion:

The LP5900SD-2.5/NOPB from Texas Instruments is a highly efficient, low-dropout linear voltage regulator that provides a reliable 2.5V output with minimal power loss. Its low quiescent current, thermal protection, and compact package make it an excellent choice for battery-operated devices and other applications requiring a stable voltage supply.