L7805ABD2T-TR

The L7805ABD2T-TR is a voltage regulator manufactured by STMicroelectronics, designed to provide a stable output voltage of 5V. This component is part of the L78xx series of linear voltage regulators, which are widely used in various electronic applications due to their reliability and ease of use.

Key Features:

1. Output Voltage: The L7805ABD2T-TR delivers a fixed output voltage of 5V, making it suitable for powering microcontrollers, sensors, and other low-voltage devices.

2. Input Voltage Range: It can accept a wide input voltage range, typically from 7V to 35V, allowing for flexibility in power supply options.

3. Output Current: The regulator can provide a maximum output current of up to 1A, which is sufficient for many applications, though thermal considerations must be taken into account for higher loads.

4. Thermal Protection: The L7805ABD2T-TR includes built-in thermal overload protection, which prevents damage to the device in case of overheating. This feature is crucial for maintaining reliability in various operating conditions.

5. Short-Circuit Protection: It also features short-circuit protection, ensuring that the device can withstand accidental shorts without sustaining damage.

6. Package Type: The L7805ABD2T-TR is available in a TO-220 package, which is a common choice for power devices due to its good thermal performance and ease of mounting on heat sinks.

7. Low Dropout Voltage: While it is a linear regulator, it has a relatively low dropout voltage, which means it can maintain regulation with a smaller difference between input and output voltages.

8. Ripple Rejection: The device offers good ripple rejection, which helps to filter out noise from the input power supply, ensuring a clean output voltage.

9. Application Areas: The L7805ABD2T-TR is commonly used in power supply circuits for consumer electronics, automotive applications, industrial equipment, and any other devices requiring a stable 5V power source.

Electrical Characteristics:

• Input Voltage (Vin): 7V to 35V
• Output Voltage (Vout): 5V
• Output Current (Iout): Up to 1A
• Dropout Voltage: Typically around 2V at full load
• Operating Temperature Range: -40°C to +125°C

Conclusion:

The L7805ABD2T-TR from STMicroelectronics is a robust and versatile voltage regulator that provides a reliable 5V output for a variety of electronic applications. Its combination of thermal and short-circuit protection, along with a wide input voltage range, makes it an excellent choice for designers looking for a dependable power supply solution.