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Well I have measured the efficiency with 4 multimeters (fluke) i've tested them in school and they are prettey darn accurate!
one is for current input the other for voltage input and the same on the ouput... i had a load attached to get 3A current at 5 volts.
measurements:
all stable 5v out...
Hello,
I have a little problem.
I chose a project for school which I've managed to get working...
All the circuitry before and after the SMPS is working properly,
my only concern here is, that the SMPS is only working at an efficiency of around 54%.
I've added my schematics for the SMPS...
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