PC104pPWR12
Last updated: July 10, 2007
Company:
- Dynamic Engineering
Description:
- The PC104pPWR12 power supply provides for the +5, +3.3, +12, minus 12 and minus 5 from a 12V wall mount transformer supply, battery etc. Each rail is fuse protected. The supply uses switching technology to provide high efficiency, coupled with low pass filtering to provide low noise and fast response to transient loads.
The PCI VIO is programmable allowing 5V or 3.3V PC104p cards to be used. Many PC104p and PCI-104 cards are universal and can work with 3.3 or 5V PCI definitions. A shunt is provided for the user to select 5V or 3V operation.
The power is routed from the power supplies to connectors with mini-planes each of which is rated for more than the maximum draw. The total power dissipation is limited to the external power supply capabilities. Each rail can draw to the maximum to cover situations where the power utilization is not balanced. 8A max current on 5V, 8A max current on 3.3V, 4A max current on -12, 4A from +12V. The VIO is selected from the 3.3 or 5V supply after the fuse and is included in the 8A available on those rails.
The default is for the 3.3 then 5 then -12 then -5 power rails to be energized. The rails are delayed relative to one another by several mS to reduce the inrush current requirement. If you require 5V before 3 or coincident power etc. contact Dynamic Engineering. We can do a special build with the delay programmed for your requirements.
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