LP5990TMX-1.2/NOPB PMIC - Линейные стабилизаторы напряжения от Texas Instruments

The LP5990TMX-1.2/NOPB is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage of 1.2V with a maximum output current of 200mA. 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 low-power applications.

Key Features:

1. Output Voltage: The LP5990 provides a fixed output voltage of 1.2V, making it suitable for powering low-voltage digital circuits and components.

2. Low Dropout Voltage: The LDO features a low dropout voltage of approximately 0.1V at 200mA, which allows it to maintain regulation even when the input voltage is close to the output voltage. This is particularly beneficial in battery-operated devices where maximizing battery life is essential.

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

4. Power Supply Rejection Ratio (PSRR): The LP5990 offers a high PSRR, ensuring that variations in the input voltage do not significantly affect the output voltage, thus providing a clean and stable power supply to sensitive components.

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

6. Compact Package: The LP5990TMX-1.2/NOPB is available in a small, space-saving package (such as the SOT-23), making it ideal for applications where PCB real estate is at a premium.

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. No External Capacitor Required: The LP5990 can operate without the need for external capacitors, simplifying the design and reducing component count.

Applications:

• Portable electronics
• Battery-powered devices
• Microcontrollers and DSPs
• RF and wireless applications
• Power management systems

Conclusion:

The LP5990TMX-1.2/NOPB from Texas Instruments is a versatile and efficient LDO voltage regulator that provides a reliable 1.2V output with low dropout and quiescent current. Its compact design and robust features make it an excellent choice for a wide range of low-power applications, ensuring stable performance and extended battery life.