L7805AC2T

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L7805AC2T is a voltage regulator IC providing a fixed 5V output for various electronic applications.

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L7805AC2T DataSheet

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Details

The L7805AC2T is a voltage regulator IC manufactured by STMicroelectronics. It is part of the L78xx series of linear voltage regulators and is specifically designed to provide a fixed 5V output voltage with a maximum output current of 1.5A. The device is housed in a TO-220 package, which allows for easy mounting on a heatsink if needed for heat dissipation.The L7805AC2T features built-in thermal shutdown and current limiting protections to ensure safe operation under a variety of conditions. It has a wide input voltage range of 7V to 35V and a dropout voltage of approximately 2V, making it suitable for a wide range of applications where a stable 5V power supply is required.This voltage regulator is commonly used in a variety of electronic circuits such as power supplies, battery chargers, and voltage regulators for microcontrollers and other digital ICs. Its compact size, high efficiency, and reliable performance make it a popular choice among hobbyists and professionals alike.

Key Features

  • Positive voltage regulator
  • Output voltage of 5V
  • Maximum output current of 1.5A
  • Thermal overload protection
  • Short circuit protection
  • Output transistor safe area protection
  • Internal current limiting
  • Available in TO-220 package

Application

  • Power supplies for consumer electronics
  • Industrial control systems
  • Automotive applications
  • Medical devices
  • Telecommunications equipment
  • Computer peripherals
  • Solar power systems
  • Gaming consoles
  • Security systems
  • Home automation devices

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Manufacturer STMicroelectronics Product Category ! IC Chips

FAQs

What is L7805AC2T?

The L7805AC2T is a three-terminal positive voltage regulator integrated circuit (IC) manufactured by STMicroelectronics. It is part of the L78xx series of voltage regulators and is specifically designed to provide a fixed 5V output voltage with high accuracy and low dropout voltage.

How Does L7805AC2T Work?

The L7805AC2T works by regulating an input voltage higher than 5V (up to a specified maximum) down to a stable 5V output. It maintains this output voltage by adjusting its internal circuitry to compensate for load variations and input voltage changes. The regulator is capable of providing a constant 5V output even when the input voltage fluctuates within its operating range.

How Many Pins does L7805AC2T have and What are the Functions of the Pinout Configuration?

The L7805AC2T is housed in a TO-220 package with 3 pins. The pinout configuration includes:

  • Input (VIN): This is the input voltage pin, where the unregulated voltage is provided.
  • Ground (GND): The ground pin for the IC.
  • Output (VOUT): This is the regulated 5V output pin.

What are the Pros and Cons of L7805AC2T?

Pros:

  • Simple to Use: Offers a straightforward solution for obtaining a stable 5V output from higher voltages.
  • Reliability: Known for its robustness and reliability in voltage regulation applications.
  • Low Dropout Voltage: Works efficiently even with small voltage differentials between input and output.
  • Cost-Effective: Provides a cost-effective voltage regulation solution for various electronic projects.
  • Widely Available: Widely used and easily accessible in the market.

Cons:

  • Fixed Output Voltage: The output voltage is fixed at 5V and cannot be adjusted.
  • Heat Dissipation: May require a heat sink for high current applications to dissipate heat.
  • Not Suitable for High Precision Applications: May not be suitable for applications requiring extremely precise voltage regulation.

Are There Any Equivalents/Alternatives to L7805AC2T for Recommendation?

  • The LM7805 from Texas Instruments is an equivalent alternative to the L7805AC2T.
  • Alternatives to the L7805AC2T include the UA78M05 from Fairchild Semiconductor and the MC7805 from ON Semiconductor.

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