Circuit Schematic 7805 5V 1A Regulated Power Supply with Overvoltage Protection Circuit

PowerSupply. - Here is Circuit Schematic 7805 5V 1A Regulated Power Supply with Overvoltage Protection Circuit. This is the 7805 5 volts 1 ampere Regulator with Overvoltage Protection Circuit. Most of the COMS, microcontrollers and TTL ICs require a well regulated power supply. these ICs can easily damage when supply voltage is increased. basically this circuit provides overvoltage protection but it has over current, reverse polarity, and the regulator IC protection. So you don’t need to worry about power supply.

Component List

  • R1 330Ω ¼W
  • R2 33Ω ¼W
  • R3 220Ω ¼W
  • C1 100µF 50V
  • C2 0.1µF
  • C3 10µF 16V
  • C4 0.01µF
  • C5 0.1µF
  • D1 1N4001
  • D2 1N4001
  • D3 6.2V Zener Diode ¼W
  • D4 LED
  • IC1 7805 regulator IC
  • SCR1 2P4M OR Similar 2A SCR
  • F1 1A FUSE

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