Inside an isolated DC-DC converter ( with explanation and circuitry )
A few isolated dc-dc converters were shorted and burnt while students were using them in the lab. I used the opportunity and took them home to open them and find out internal circuitry. A self-oscillating circuitry with two transistors are used in the primary side, a toroidal transformer with a ferrite core covered with a plastic layer, and the secondary side rectifiers, are what is inside these isolated DC-DC converters.
The burnt converters cost a few Euro each, but to me what I have learned from the circuitry and the construction of the transformer worth hundreds of Euros.
Finance: N=43
subs=1331
Available budget (N): 1331-100-43*(43+1)=-661
Storage limit: 2^ln(1331)=146,39
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