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Original question:

LM25149-Q1: Behavior at the start of external CLK input

LM25149-Q1: SYNC signal input timing

Yuta Kurimoto
Expert 8270 points
Part Number: LM25149-Q1
Other Parts Discussed in Thread: LM25149

Hello Team,

Thanks for your support.

In the previous thread, it is recommended that applying SYNC signal before LM25149 startup.

Q. Is it OK "VIN powers up => SYNC input => EN turns high" sequence?

Q. Is it OK "VIN powers up => SYNC input, EN turns high simultaneously" sequence?

Regards,

Yuta Kurimoto