LM3671LCX-1.8/NOPB

The LM3671LCX-1.8/NOPB is a high-performance, low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage of 1.8V with a maximum output current of 1A, making it suitable for a variety of applications, including powering microcontrollers, sensors, and other low-voltage devices.

Key Features:

1. Output Voltage: The LM3671LCX-1.8/NOPB provides a fixed output voltage of 1.8V, which is ideal for many digital circuits that require a stable supply.

2. Input Voltage Range: The device operates over a wide input voltage range, typically from 2.5V to 5.5V, allowing it to be used in various power supply configurations.

3. Low Dropout Voltage: With a low dropout voltage of around 200mV at 1A load, the LM3671LCX-1.8/NOPB can maintain regulation even when the input voltage is close to the output voltage, which is particularly useful in battery-powered applications.

4. High Efficiency: The regulator is designed for high efficiency, which helps to minimize power loss and heat generation, contributing to longer battery life in portable devices.

5. Power Good Indicator: The device includes a power good (PG) output that indicates when the output voltage is within the specified range, providing a useful feature for system monitoring.

6. Thermal Protection: The LM3671LCX-1.8/NOPB is equipped with thermal shutdown protection, which prevents damage to the device in case of overheating.

7. Compact Package: It is available in a small, space-saving package (such as a 5-pin SOT-23), making it suitable for applications where board space is limited.

8. Low Quiescent Current: The regulator features low quiescent current, which is beneficial for battery-operated devices, as it helps to extend battery life during idle periods.

Applications:

The LM3671LCX-1.8/NOPB is suitable for a wide range of applications, including:

• Portable electronics
• Battery-powered devices
• Microcontroller power supplies
• RF and wireless applications
• Automotive electronics
• Industrial control systems

Electrical Characteristics:

• Output Current: Up to 1A
• Dropout Voltage: Typically 200mV at 1A
• Quiescent Current: Low, typically in the microamp range
• Operating Temperature Range: -40°C to +125°C

Conclusion:

The LM3671LCX-1.8/NOPB from Texas Instruments is a versatile and efficient LDO voltage regulator that provides a reliable 1.8V output for various electronic applications. Its combination of low dropout voltage, high efficiency, and compact design makes it an excellent choice for modern electronic systems requiring stable power supply solutions.