L7805CV STMicroelectronics

The L7805CV is a popular linear voltage regulator manufactured by STMicroelectronics. It is part of the L7805 series and is widely used in electronic circuits to provide a stable 5V output voltage. The L7805CV is a three-terminal device that offers a simple and efficient solution for voltage regulation.

With a maximum output current rating of 1.5A, the L7805CV can deliver up to 1.5A of continuous current to the load. This makes it suitable for powering various electronic components, such as microcontrollers, sensors, and other low to moderate power devices.

The L7805CV is designed to provide reliable and accurate voltage regulation. It has a low output voltage ripple and excellent line and load regulation characteristics. The device also includes built-in thermal overload protection and short-circuit protection, safeguarding both the regulator and the connected circuitry from potential damage.

In terms of package options, the L7805CV is commonly available in a TO-220 package, which allows for easy mounting on a heat sink to dissipate excess heat generated during operation. The TO-220 package is a widely used through-hole package that facilitates straightforward integration into various circuit designs.

For short, the L7805CV is a trusted and widely used linear voltage regulator. Its ability to provide a stable 5V output voltage, along with its robustness, makes it a popular choice for a variety of applications, including power supplies, battery chargers, embedded systems, and many other electronic projects.

Specifications

​Features and Applications

Here are the key features and applications of the L7805CV:

Key Features:

• Fixed 5V Output: Provides a stable and regulated 5V output voltage.
• Wide Input Voltage Range: Can accept input voltages from 7V to 35V, making it versatile for various power sources.
• High Output Current: Capable of delivering up to 1.5A of continuous current.
• Low Dropout Voltage: Requires only a 2V higher input voltage than the desired output voltage for proper regulation.
• Low Output Voltage Ripple: Ensures clean and stable power supply for sensitive electronic components.
• Excellent Line and Load Regulation: Maintains a consistent output voltage even with variations in input voltage and load conditions.
• Built-in Protection Features: Includes thermal overload protection and short-circuit protection for enhanced safety and reliability.
• TO-220 Package: Easy-to-mount through-hole package suitable for heat sinking.

Applications:

• Power Supplies: Used in various devices requiring a regulated 5V power source, such as microcontrollers, sensors, and logic circuits.
• Battery Chargers: Regulates the voltage for charging batteries in applications like portable electronics and automotive systems.
• Embedded Systems: Provides a stable power supply for microcontrollers, sensors, and other components in embedded systems and IoT devices.
• Audio/Video Equipment: Used in audio amplifiers, video processors, and other consumer electronics to ensure a reliable power source.
• Industrial Control Systems: Provides regulated power for control boards, motor drivers, and other industrial automation equipment.
• Automotive Electronics: Used in automotive applications where a stable 5V power supply is required, such as in-car entertainment systems and engine control units.
• LED Lighting: Regulates power for LED drivers and lighting modules, ensuring consistent brightness and longevity.
• Test and Measurement Instruments: Provides reliable power for test equipment, data loggers, and measurement devices.

Datasheet Download: L7805CV Datasheet

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