Appendix A
Specifications
©
National Instruments Corporation
A-3
Backplane pin current capacity
Load regulation
Maximum ripple and noise (20 MHz bandwidth)
Over-current protection.......................... All outputs protected from short
circuit and overload with
automatic recovery
Over-voltage protection
3.3 V and 5 V .................................. Clamped at 20 to 30% above
nominal output voltage
Power supply shuttle MTTR .................. Replacement in under 5 minutes
Slot
+5 V
V (I/O)
+3.3 V
+
12 V
–12 V
5 V
AUX
System Controller Slot
9 A
0 A
9 A
11 A
0 A
1 A
System Timing Slot
0 A
0 A
3 A
2 A
0 A
1 A
Hybrid Peripheral Slot with
PXI-1 Peripheral
6 A
5 A
6 A
1 A
1 A
0 A
Hybrid Peripheral Slot with
PXI-5 Peripheral
0 A
0 A
3 A
3 A
0 A
1 A
PXI-1 Peripheral Slot
6 A
11 A
6 A
1 A
1 A
0 A
Voltage
Load Regulation
+3.3 V
<5%
+12 V
<5%
+5 V
<5%
–12 V
<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
