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3V3/30V DC/DC converter using SN6505A

Posted on Tuesday, May 3rd, 2016 in Chips, DIY by DP

IMG_2384-600

Robert Gawron made a 3V3/30V DC/DC converter using SN6505A:

Recently I’v got my samples of SN6505A, it’s a really nice IC, so I decided to make a simple DC/DC converter to get familiar with it. What I like in this chip is that it can operate on input voltage as low as 2,5V – that makes it great for battery devices. It’s also nice, that it’s a very minimalist design – on primary side all what is needed is decoupling capacitor. One disadvantage is that it doesn’t have a feedback loop.
To increase efficiency, SN6505A can operate with more developed versions of transformers, but I used the simplest configuration – one coil on each side.

Project info at¬†Robert Gawron’s blog.

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