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[FAQ] Why does the time interval between two re-sequences longer than the value set in "time between re-sequences"? UCD90xxx

Sam
Expert 4175 points
Other Parts Discussed in Thread: UCD90120A, UCD9090, UCD90160A, UCD90160, UCD90240, UCD90320U, UCD90120, UCD9090A, UCD90124, UCD90124A, UCD90320

The "time between re-sequences" only starts to count when all rails are below their POWER_GOOD_OFF thresholds. Because the monitored rail voltage may take a relatively long time to decay, it is expected to see the time interval between the previous shutdown and the following re-sequence longer than the value set in the time between re-sequences.

For more FAQ please check the following document.

UCD90xxx Family Frequently Asked Questions and Answers 

UCD9090 UCD9090A UCD90120 UCD90120A UCD90124 UCD90124A UCD90160 UCD90160A UCD90240 UCD90320 UCD90320U