L7805CV-DG

The L7805CV-DG is a popular linear voltage regulator manufactured by STMicroelectronics, designed to provide a stable output voltage of 5 volts. This component is widely used in various electronic applications, including power supplies for microcontrollers, sensors, and other digital circuits.

Key Features:

1. Output Voltage: The L7805CV-DG delivers a fixed output voltage of 5V, making it ideal for powering devices that require a stable voltage supply.

2. Input Voltage Range: It can accept a wide input voltage range, typically from 7V to 35V, allowing it to be used in various power supply configurations.

3. Output Current: The regulator can provide a maximum output current of up to 1.5A, which is sufficient for many low to moderate power applications.

4. Thermal Overload Protection: The L7805CV-DG includes built-in thermal overload protection, which prevents the device from overheating and ensures reliable operation under varying load conditions.

5. Short Circuit Protection: This feature protects the regulator from damage in the event of a short circuit at the output, enhancing the robustness of the design.

6. Low Dropout Voltage: The dropout voltage is typically around 2V, meaning that the input voltage must be at least 2V higher than the output voltage for the regulator to function correctly.

7. Package Type: The L7805CV-DG is available in a TO-220 package, which is a common form factor for power devices. This package allows for efficient heat dissipation, making it suitable for applications where heat management is a concern.

8. Pin Configuration: The device typically has three pins: Input (Vin), Ground (GND), and Output (Vout). The pin configuration is standard, making it easy to integrate into existing designs.

9. Applications: Common applications include power supplies for microcontrollers, battery chargers, and other electronic devices that require a stable 5V power source.

Electrical Characteristics:

• Input Voltage (Vin): 7V to 35V
• Output Voltage (Vout): 5V
• Output Current (Iout): Up to 1.5A
• Dropout Voltage: Typically 2V
• Operating Temperature Range: -40°C to +125°C

Conclusion:

The L7805CV-DG from STMicroelectronics is a versatile and reliable linear voltage regulator that is widely used in electronic circuits requiring a stable 5V output. Its combination of features, including thermal and short circuit protection, makes it a preferred choice for engineers and hobbyists alike. Whether in a simple power supply or a more complex electronic system, the L7805CV-DG provides a dependable solution for voltage regulation needs.