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National Instruments Corporation
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Specifications
This appendix contains specifications for the PXI-1025 MegaPAC chassis.
Electrical
AC Input Specifications
Input voltage range................................. 90–265 VAC
Input frequency range ............................ 50 to 60 Hz
Power disconnect ................................... The power switch causes the
power module to supply DC
power to the CompactPCI/PXI
backplane. The power cord
provides main power disconnect.
Efficiency ............................................... 70%
DC Output Specifications
Maximum usable power ......................... 275 W
Ripple and noise..................................... 1%, 20 MHz bandwidth
DC Current Capacity (I
MP
)
Voltage
I
MP
(Steady-State
Current)
Regulation
+3.3 V
10 A
1%
+12 V
9 A
5%
+5 V
32 A (3.3 V power)
5%
–12 V
.8 A
5%
