National Instruments PXI-1042 User Manual download pdf (Page 5)

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

)

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

Volta ge Load Regulation

+3.3 V <5%

+12 V <5%

+5 V <5%

–12 V <5%

Volta ge Maximum Ripple and Noise

+3.3 V 50 mV

+12 V 120 mV

+5 V 50 mV

–12 V 120 mV

1 2 3 4 5 6 7 8

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National Instruments PXI-1042 User Manual Page 5