5V transformer less power supply


Posted on Feb 7, 2014

Here is the circuit diagram of a 5V transformer less power supply using minimum components. The working of this circuit is quite simple. Resistor R1 does the job of current limiting and bridge D1 rectifies the mains voltage. The Zener diode regulates the rectifier output to obtain a steady 5V DC and capacitor C2 acts as a filter.


5V transformer less power supply
Click here to download the full size of the above Circuit.




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