Appendix A
Specifications
A-2
ni.com
Power disconnect ....................................The AC power cable provides
main power disconnect.
Depressing the front-panel power
switch controls the internal
chassis power supply that
provides DC power to the
CompactPCI/PXI backplane.
DC Output
DC current capacity (I
MP
)
Load regulation
Maximum ripple and noise (20 MHz bandwidth)
Caution
Be sure to limit DC output to 500 W above 50° C.
Voltage
0–55 °C
+3.3 V
40 A
+5 V
59 A
+12 V
9 A
–12 V
4.5 A
Voltage
Load Regulation
+3.3 V
<0.5%
+12 V
<0.5%
+5 V
<0.5%
–12 V
<0.5%
Voltage
Maximum Ripple and Noise
+3.3 V
50 mV
pp
+12 V
120 mV
pp
+5 V
50 mV
pp
–12 V
120 mV
pp
