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Power Supply for CCS's CAN demo board -Shipping mistake?

 
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valemike
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Power Supply for CCS's CAN demo board -Shipping mistake?
PostPosted: Sat Apr 24, 2004 8:09 pm     Reply with quote
I just received my CAN demo board, but didn't power it up. The pcboard says it needs 12VDC in, but I was supplied with a 9V power supply. Is this a shipping mistake? Looks to me that 9v ought to work, since it is regulated to 5v with a 7805 voltage regulator.

So if anyone has this demo board, please chime in whether it is a 12v or 9v power supply. (I can't wait til Monday to get an answer Confused from tech support)
Haplo



Joined: 06 Sep 2003
Posts: 659
Location: Sydney, Australia

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PostPosted: Sat Apr 24, 2004 8:44 pm     Reply with quote
If the only path from the power supply to the circuit is the 7805, then it should be ok to power it up with the 9v supply as long as the current ratings of the two power supplies are the same, or the 9v one is higher.
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