National Instruments PXI-1042 Power Supply User Manual


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© National Instruments Corporation 5 NI PXI-1042 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)
Over-current protection.......................... All outputs protected from short
circuit and overload with
automatic recovery
Voltage I
MP
(Steady-State Current)
+3.3 V 20 A
+12 V 4 A
+5 V 29 A
–12 V 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
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