National Instruments Power Supply PXI-1045 用户手册
© 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.
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%