L7805ABV: Features, Applications, and Datasheet

The L7805ABV is a specific part number for a positive voltage regulator IC manufactured by STMicroelectronics. Let's explore its features, common applications, and how to access its datasheet:



  1. Fixed Output Voltage: The L7805ABV is a fixed voltage regulator that provides a regulated output voltage of 5 volts (+/- 4%). It is designed for applications where a stable 5V supply is required.

  2. Input Voltage Range: The regulator can accept input voltages ranging from 7V to 35V. However, the input-to-output voltage differential (dropout voltage) should be within specified limits for proper regulation.

  3. Output Current: It can source a continuous output current up to 1.5 amps (1500 mA). Ensure that the load current remains within this limit to avoid overheating or performance issues.

  4. Thermal Shutdown Protection: The regulator features thermal shutdown protection, which helps prevent damage due to excessive heat. When the temperature exceeds the safe operating range, it shuts down to protect itself.

  5. Internal Short-Circuit Protection: The L7805ABV includes built-in internal protection against short circuits, safeguarding the regulator and connected components from damage.

  6. Low Quiescent Current: The regulator has a low quiescent current, reducing power consumption when the load is minimal or nonexistent.

  7. Package Type: The L7805ABV comes in a variety of package options such as TO-220, TO-220FP, and DPAK, offering flexibility in terms of PCB footprint and heat dissipation requirements.



The L7805ABV regulator finds applications in various electronic systems, including:

  1. Power Supply Regulation: It is commonly used to provide a stable 5V power supply in electronic circuits, powering microcontrollers, logic ICs, sensors, and other devices that require a reliable and regulated voltage source.

  2. Battery-Powered Devices: The regulator can be used in battery-powered devices, such as portable devices, electronic gadgets, and battery management systems, to ensure a consistent and regulated supply voltage.

  3. Consumer Electronics: It is employed in a wide range of consumer electronics, including digital cameras, audio/video equipment, gaming consoles, and handheld devices.

  4. Embedded Systems: The regulator can be integrated into embedded systems, control boards, and development platforms to regulate the voltage supply for microcontrollers, sensors, and other peripheral components.

  5. Industrial Applications: The regulator finds application in various industrial systems and machinery, providing regulated voltage supply for control circuits, motor drives, sensors, and communication interfaces.


Datasheet Access:

To access the datasheet for the L7805ABV regulator, you can visit the official website of STMicroelectronics. Navigate to the product page for the L7805ABV or search for the specific part number. The datasheet typically provides detailed technical information, pinout diagrams, electrical specifications, application diagrams, and other relevant information for using the regulator effectively.

Please note that the availability and location of the datasheet may change over time, so it's best to refer to the manufacturer's website or contact their support for the most up-to-date and accurate datasheet for the L7805ABV regulator.

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