LM3642TLE/NOPB

The LM3642TLE/NOPB is a high-performance, low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage with high efficiency, 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. Input Voltage Range: The LM3642TLE/NOPB can accept a wide input voltage range, typically from 2.5V to 5.5V, allowing it to be used with various power sources, including lithium-ion batteries.

2. Output Voltage: The device is capable of delivering a fixed output voltage of 1.8V, which is ideal for powering low-voltage digital circuits and components.

3. Output Current: It can provide a maximum output current of up to 1A, making it suitable for applications that require moderate power levels.

4. Low Dropout Voltage: The LDO features a low dropout voltage, typically around 200mV at full load, which ensures efficient operation even when the input voltage is close to the output voltage.

5. Power Efficiency: The LM3642TLE/NOPB is designed for high efficiency, which helps to extend battery life in portable applications. Its quiescent current is also low, further enhancing efficiency.

6. 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 safe limits.

7. Short-Circuit Protection: It features short-circuit protection to safeguard the device and the load in case of a fault condition.

8. Package Type: The LM3642TLE/NOPB is available in a compact, thermally efficient package, such as the 5-pin SOT-23, which is suitable for space-constrained applications.

9. Operating Temperature Range: The device operates over a wide temperature range, typically from -40°C to +125°C, making it suitable for industrial and automotive applications.

10. Application Areas: Common applications include powering microcontrollers, sensors, and other low-voltage digital devices, as well as in portable consumer electronics, automotive electronics, and battery management systems.

Conclusion:

The LM3642TLE/NOPB from Texas Instruments is a versatile and efficient LDO voltage regulator that provides reliable performance in a compact package. Its combination of low dropout voltage, high output current capability, and built-in protection features makes it an excellent choice for a wide range of electronic applications.