L78L05ACD13TR

The L78L05ACD13TR is a low-dropout (LDO) voltage regulator manufactured by STMicroelectronics. It is designed to provide a stable output voltage of 5V with a maximum output current of 100mA. This component is particularly useful in applications where space is limited, as it comes in a compact surface-mount package.

Key Features:

1. Output Voltage: The L78L05ACD13TR provides a fixed output voltage of 5V, making it suitable for powering various electronic devices and circuits that require a stable voltage supply.

2. Output Current: It can deliver up to 100mA of output current, which is adequate for many low-power applications, including microcontrollers, sensors, and other peripheral devices.

3. Low Dropout Voltage: The LDO features a low dropout voltage, typically around 1.2V at full load, which allows it to maintain regulation even when the input voltage is close to the output voltage. This characteristic is particularly beneficial in battery-powered applications where maximizing battery life is crucial.

4. Thermal Protection: The device includes built-in thermal overload protection, which helps prevent damage due to overheating. This feature ensures reliable operation under varying load conditions.

5. Short-Circuit Protection: The L78L05ACD13TR is equipped with short-circuit protection, which safeguards the device and the connected load in the event of a fault condition.

6. Package Type: It is available in a small SOT-23-5 package, which is ideal for space-constrained designs. The compact size allows for easy integration into printed circuit boards (PCBs).

7. Operating Temperature Range: The regulator operates over a wide temperature range, typically from -40°C to +125°C, making it suitable for various environmental conditions.

8. Input Voltage Range: The L78L05ACD13TR can accept input voltages ranging from 7V to 30V, providing flexibility in power supply options.

9. Low Quiescent Current: The device features low quiescent current consumption, which is advantageous for battery-operated devices, helping to extend battery life.

Applications:

The L78L05ACD13TR is commonly used in a variety of applications, including:

• Power supply for microcontrollers and digital circuits
• Voltage regulation in portable devices
• Power management in automotive electronics
• Consumer electronics such as audio equipment and home appliances
• Industrial control systems

Conclusion:

The L78L05ACD13TR from STMicroelectronics is a reliable and efficient voltage regulator that offers a combination of low dropout voltage, thermal protection, and compact packaging. Its features make it an excellent choice for a wide range of electronic applications requiring a stable 5V power supply.