Transformer Heat Dissipation

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Dear sir

 I have Designed a LED Driver for A19 Bulb.
After fitting into the bulb it start switching on/off.
Now i am going to use epoxy for potting PCB.
I have also used Heat sink on IC TNY 280.

Can i use a rectangular encasing of aluminum around transformer and than potting it.

will it create any type of problem.
Thanks and regards.

It is not clear why potting transformer with aluminum casing is necessary in this application.

It is recommended to use LinkSwitch-PH or LinkSwitch -PL for LED driver application instead of using TinySwitch.