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© National Instruments Corporation 5 NI PXI-1042 Series Power Supply Shuttle User Guide
Efficiency ............................................... 70% typical
Power disconnect ................................... The AC power cable provides
main power disconnect. The
chassis front-panel power switch
causes the power supply to
provide DC power to
the CompactPCI/PXI backplane.
DC Output
DC current capacity (I
MP
)
Load regulation
Maximum ripple and noise (20 MHz bandwidth)
Voltage
NI PXI-1042 NI PXI-1042Q
0–50 °C 0–55 °C 0–40 °C
+3.3 V 20 A 18 A 20 A
+5 V 29 A 25 A 29 A
+12 V Peripheral slots 3.5 A 3.5 A 3.5 A
+12 V System slot 0.5 A 0.5 A 0.5 A
–12 V 2 A 2 A 2 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