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Part Number: UCC28780EVM-002
My customers are evaluating using EVM.
Because EVM is performing unstable operation, they would like to know the cause.
· When starting with no load, in automatic restoration protection mode (entering a hibernation state with constant pulse), output slowly rises, it will start up in a few seconds.
· As the load is gradually increased up to 1A, the output droop once occurs at a certain place. It returns within 1 second. (It is presumed that protection operation is in operation during drooping)
・Although load can be drawn up to rating, output suddenly occurs temporarily when applying sudden load fluctuation. It is stable in steady state.
･After 1 week, the load restoration protection mode (over a load of 1 A or more goes into the hibernation state with constant pulse), and it can not be started at all.
Do you have advice on the above behavior?
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