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© National Instruments Corporation 5 NI PXI-1045 Power Supply Shuttle User Guide
Line regulation
3.3 V................................................ <±1%
5 V................................................... <±1%
±12 V .............................................. <±1%
Efficiency ............................................... 70% minimum
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. You
also can use the rear-panel 9-pin
D-sub connector to control the
internal chassis power supply.
DC Output
DC current capacity (I
MP
)
Load regulation
Voltage 0–45 °C 45–50 °C 50–55 °C
+3.3 V 40 A 37 A 32 A
+5 V 59 A 55 A 48 A
+12 V
Peripheral slots
8.5 A 8.5 A 8 A
+12 V
System slot
0.5 A 0.5 A 0.5 A
–12 V 4.5 A 4.5 A 4.5 A
Voltage Load Regulation
+3.3 V <0.5%
+12 V <0.5%
+5 V <0.5%
–12 V <0.5%