LP3470IM5-4.00/NOPB

The LP3470IM5-4.00/NOPB is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage with high efficiency and low noise, making it suitable for a variety of applications, including portable devices, battery-powered equipment, and other electronic systems requiring precise voltage regulation.

Key Features:

1. Output Voltage: The LP3470IM5-4.00/NOPB specifically provides a fixed output voltage of 4.0V, which is ideal for powering microcontrollers, sensors, and other digital circuits that require a stable supply.

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

3. Output Current: The regulator can deliver up to 1A of output current, making it suitable for a range of applications from low-power to moderate-power devices.

4. Quiescent Current: The LP3470IM5-4.00/NOPB has a low quiescent current, which helps to extend battery life in portable applications by minimizing power consumption when the device is not actively driving a load.

5. Thermal Protection: The device includes built-in thermal shutdown protection, which prevents damage due to overheating by shutting down the regulator if the junction temperature exceeds a certain threshold.

6. Package Type: The LP3470IM5-4.00/NOPB is available in a small, surface-mount package (SOT-23-5), which is advantageous for space-constrained designs and allows for easy integration into printed circuit boards (PCBs).

7. Noise Performance: The regulator is designed to provide low output noise, making it suitable for sensitive analog applications where power supply noise can affect performance.

8. Input Voltage Range: The device can operate over a wide input voltage range, typically from 2.5V to 16V, providing flexibility in design and allowing it to be used in various power supply configurations.

9. Applications: Common applications for the LP3470IM5-4.00/NOPB include portable electronics, battery management systems, RF applications, and any other circuits requiring a reliable and efficient voltage regulation solution.

Conclusion:

The LP3470IM5-4.00/NOPB from Texas Instruments is a versatile and efficient LDO voltage regulator that combines low dropout voltage, low quiescent current, and robust thermal protection in a compact package. Its fixed output voltage of 4.0V and ability to deliver up to 1A of current make it an excellent choice for a wide range of electronic applications, particularly in battery-powered devices where efficiency and reliability are paramount.