Qualifying new transformer
We have a design using the TNY264 that we have been using for many years. I am now in the position of having to qualify a new transformer. Do you have any guidelines on measurements you can make in the circuit to ensure that the supply is operating properly? Ie., examples of what good and bad waveforms look like? Thanks.
Comments
If you are qualifying a new transformer then it should be sufficient to check that it is compliant with standard specifications which I assume the original transformer has. Items in the spec should include: primary inductance,core material and size, number of turns and wire gauge, leakage inductance and resonant frequency.
Thanks for the comment. Let's assume that I don't have the ability to measure those characteristics of the transformer and/or I don't necessarily trust what the vendor gives me. I was hoping I could measure a few points in the power supply circuit just to give me a double check that everything is operating properly. Please advise, thanks.
If you are qualifying a new transformer then it should be sufficient to check that it is compliant with standard specifications which I assume the original transformer has. Items in the spec should include: primary inductance,core material and size, number of turns and wire gauge, leakage inductance and resonant frequency.