UCC28056EVM-296: changed IC to UCC256304 work with UCC28056EVM-296 (problem 2)

Hiroshi Doi35

Expert 2845 points

Part Number: UCC28056EVM-296
Other Parts Discussed in Thread: UCC28056

Hi all,

AC IN Current Waveform shape is bad at use of step down Transformer.

Step down from 3-phase AC 200 V to single phase 100 V with a commercial transformer

LLC load is 120W. I have attached osc. wave forms.

Can you point out another broken parts which related to this problem ?

0 VA Viswanathan over 5 years ago

Thanks for your interest in the UCC28056. I will review your presentation and get back to you.

0 Hiroshi Doi35 over 5 years ago in reply to VA Viswanathan

Expert 2845 points

Viswanathan-san,

Can you resolve this problem?

Customer is still waiting.

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