- NATIONAL INSTRUMENTS PXI User Manual PXITM -1000

Appendix A Specifications
PXI-1000 User Manual A-2
© National Instruments Corporation
Table A-2.
DC Output Specifications
Characteristic Description
Maximum Usable Power 300 W
DC Current Capacity (I
MP
) Voltage I
MP
(Steady-State Current)
+3.3 V 40 A
+12 V 4 A
+5 V 20 A
–12 V 1 A
Load Regulation 1% for 10% to 100% load changes,
all outputs
10% min. load required on V1 (+3.3 V)
for max. load regulation on outputs
V2 (+5 V), V3 (+12 V), and V4 (–12 V).
Maximum Ripple and
Noise
1% ripple, 1% noise, or 100 mV,
whichever is greater
20 MHz bandwidth
Over-Current Protection All outputs protected from short circuit
and overload, automatic recovery
Over-Voltage Protection 3.3 V clamps at 20% to 30% above output
voltage
5 V, +12 V, and –12 V clamps at 10% to
20% above output voltage
Power Supply Unit MTBF 90,000+ hr
Power Supply/Fan Unit
MTTR
Replacement in under 5 minutes