Transformer Less Power Supply 12V 100mA

Published:2012/10/10 1:48:00 Author:muriel | Keyword: Transformer, Less Power Supply, 12V, 100mA | From:SeekIC

This is a transformerless power supply for low current applications. C1 is the X rated AC capacitor that reduces high volt AC. D1-D4 rectifies AC to DC and C2 removes ripples. R1 is the bleeder to remove stored current in AC when power is off. R2 limits inrush current. A Zener can be used in the output to get regulated DC. Transformer Less Power Supply Circuit Diagram



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