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???
06/13/07 12:26
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#140657 - look at a Maxim appnote
Responding to: ???'s previous message
Well can any one give me an example of what is menant by power sequencing? and its drawbacks.
the drawback is complexity and, for that reason, you use power sequencing only when needed.

an example applying to your particular case: what would you do if the relays closed before the control circuitry had 'warmed up"? yes, "power sequencing" - delaying power to the realys.

many modern chips with multiple supply voltages require power sequencing.

Erik



List of 11 messages in thread
TopicAuthorDate
powersupplies            01/01/70 00:00      
   Sequencing            01/01/70 00:00      
      Yes and no            01/01/70 00:00      
         I would try to omit the power sequencing            01/01/70 00:00      
   Component selection            01/01/70 00:00      
      why even Atmel            01/01/70 00:00      
         ^ What he said            01/01/70 00:00      
            omit the power sequencing            01/01/70 00:00      
               look at a Maxim appnote            01/01/70 00:00      
               power sequencing            01/01/70 00:00      
               power supply sequencing - an example            01/01/70 00:00      

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