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UCD90320: UCD90320

Part Number: UCD90320

Tool/software:

I have connected monitor 12 V to the A7 pin of the UCD90320 and I am controlloing this through the switch.

for all the other rails i have given 12V monitor as a dependency..If the 12V monitor is getting all other rails should get on else all rails should turn off.

i am getting that ..but if i press the switch for the first time the Enable of other rails depend on the monitor 12V is not going to off..but for the second press all rails will get off and once i release that switch all rails are getting on..
why for altenative switching this is going to happen.?