9V Power Supply Using LM7809

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This is a circuit of a 9V power supply using LM7809 IC. LM7809 is a famous IC with many features like, output current 1.5A, fixed output voltage 5 volt to 24 volt, thermal shutdown, current limiting etc. The circuit uses a 16V output tranformer from 230V mains.



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The 470uF capacitor filter the voltages after rectifing by 2A birdge and the IC LM7809 retulates it to produce a stable 9V DC supply.
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