IC 7805 Regulator

Original price was: ₹10.00.Current price is: ₹9.50.

The IC 7805 regulator ensures stable 5V output from higher voltage sources, vital for powering various electronic devices and circuits. Known for reliability and efficiency, it regulates voltage with minimal ripple and noise, making it ideal for applications demanding precise voltage control like microcontrollers and sensors in DIY electronics projects.

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Sold By : Computronics Lab - Electronic and Robotic Components SKU: 78l05-5v-regulator Category:

Description

78L05 5V Regulator

The IC 7805, a member of the 78xx series of voltage regulators, is a crucial component in electronic circuits requiring a stable 5V power supply from higher input voltages. Designed to efficiently regulate voltage and minimize ripple and noise, the IC 7805 plays a pivotal role in ensuring reliable operation of a wide range of electronic devices, from basic hobbyist projects to sophisticated industrial applications.

Key Features and Specifications

The IC 7805 is a three-terminal regulator integrated circuit, typically available in TO-220 packages, with the following key features:

  1. Output Voltage: It provides a fixed output voltage of +5V DC, making it suitable for powering logic circuits, microcontrollers, sensors, and other components that require a stable voltage reference.
  2. Input Voltage Range: The IC 7805 can accept input voltages ranging from 7V to 25V DC, making it versatile for use with a variety of power sources, including batteries, AC adapters, and regulated DC power supplies.
  3. Regulation: It features excellent line and load regulation characteristics, maintaining a consistent output voltage even when there are fluctuations in the input voltage or changes in the load current.
  4. Current Capacity: Depending on the specific variant and heat sinking, the IC 7805 can typically supply currents up to 1A or more, ensuring compatibility with a wide range of applications.
  5. Thermal Shutdown: Some variants include thermal shutdown protection, which safeguards the regulator from overheating under excessive load conditions, thereby enhancing reliability and longevity.

Applications

The IC 7805 regulator finds widespread use in various electronic circuits and applications, including:

  • Microcontroller Power Supply: Providing a stable 5V source for microcontrollers such as Arduino, PIC, and AVR, ensuring reliable operation and accurate timing.
  • Sensor Interface Circuits: Powering sensors and signal conditioning circuits that require a constant voltage supply for accurate measurement and data acquisition.
  • Embedded Systems: Ensuring consistent voltage supply to peripherals and interface circuits in embedded systems to maintain operational integrity.
  • Battery-Powered Devices: Converting higher battery voltages to a stable 5V for powering portable electronic devices and gadgets.

Design Considerations

When designing circuits using the IC 7805 regulator, several considerations should be taken into account:

  • Heat Dissipation: The IC 7805 may require adequate heat sinking, especially when dissipating higher power levels to maintain stable operation and prevent thermal shutdown.
  • Input Voltage Range: Ensure that the input voltage does not exceed the maximum specified value to prevent damage to the regulator.
  • Filtering: Use appropriate capacitors at the input and output to filter out noise and improve transient response, thereby enhancing stability.

Conclusion

In summary, the IC 7805 regulator is an indispensable component in electronics, offering reliable and efficient voltage regulation for applications requiring a stable 5V power supply. Its ease of use, affordability, and robust performance make it a popular choice among hobbyists, students, and professionals alike for a wide range of electronic projects and industrial applications. Whether powering microcontrollers, sensors, or embedded systems, the IC 7805 remains a cornerstone in ensuring the proper functioning and longevity of electronic devices.

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