솔루션 찾기 기술 지원

Innoswitch3-Ep in non-isolated flyback

Posted by: E.A. on

Hi,

I have depeloped a 50W isolated flyback with INN3678C-H606. Now, for another application, I need to use the same circuit but in not-isolated version. My question is if it is possible to connect the GND pin to the negative pole of the AC bridge rectifier, making a non-isolated flyback topology.

Do you see any problem for that? I attached an image with this connection in red.

Thank you.

Files
non-isolated.jpg (34.76 KB)

댓글

Submitted by PI-Gavin on 01/30/2025

Hi E.A.

Thank you for participating in our PI forum.

Yes, implementing it that way should be fine. Though, we recommend to connect it and make a star connection to the GND terminal of your input capacitor instead.

Regards, Gavin