12V @ 120mA Transformerless Power Supply

8 February, 2017

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The circuit provided here is a transformer-less non-isolated power supply which is capable of delivering an output of 12V at 120mA current for an input voltage varying from 85VAC-265VAC. The LNK304 is the heart of this circuit which supports buck boost and flyback topologies. This project is low in cost and simple when compared other tramsformer-less power supplies.

Features:

Input(V): 85V AC to 265V AC
Output(V): 12V DC
Output load: 120mA
PCB:75mm X 35mm

12V @ 120mA Transformerless Power Supply – [Link]

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Email : info@electronics-lab.com

Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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