FXP1500-32G AC-DC Front-End
& FXR-3-32G Power Shelf Data Sheet
Output Specification
Specification is valid for input voltage, load, and temperature ranges, unless otherwise stated.
Adjustable via T4, T5 pins & I C
Parameter
Total output voltage range
Output voltage set point
Conditions/Description
Adjustable via T4, T5 pins
2
Min
26
Nom
28
Max
38
Units
VDC
VDC
(LL=28V, LH=HL=32V, HH=36V)
32
36
VDC
VDC
Output voltage trimming
Adjustable via I 2 C from any set point.
-2
+2
VDC
Note : all changes to V o1 made via I C are volatile and
2
are lost upon power cycling the PSU
Overvoltage protection latching
Nominal current output 1
28V set point
32V set point
36V set point
I o1 nom @ V i =105 VAC – 264 VAC, P o 1.5 kW
28V set point
32V set point
36V set point
35
40
45
46.9
46.9
41.7
VDC
VDC
VDC
ADC
ADC
ADC
I o1 nom @ V i = 85 VAC – 105 VAC, P o 1.2 kW
28V set point
32V set point
36V set point
42.9
37.5
33.4
ADC
ADC
ADC
Nominal current output 2
Current limit output 1
Current limit output 2
I o2 nom @ Vi = 85 VAC – 265 VAC, P o 5 W
I o1 max @ V i = 105 VAC – 264 VAC high droop
hic-cup
I o1 max @ V i = 85 VAC – 105 VAC high droop
hic-cup
I o2 max @ V i = 85 VAC – 265 VAC
1.0
48.8
50.8
39.0
41.0
1.3
ADC
ADC
ADC
ADC
ADC
ADC
Static line regulation output 1
Static load regulation output 1
V i min - V i max , 50 % I o nom
V i = 230 V, 0-100 % I o nom
-0.5
0.5
13.6
% V o nom
mV/A
(droop characteristic)
V o : full load (46.9 ADC) to no load
31.68
32
32.32
VDC
Dynamic load regulation
Load change 1% < ─ > 100% I o nom, dI o /dt =1 A/ μ s
-1.0
+1.0
% V o nom
Start-up time
Voltage deviation (droop + over- or undershoot)
Max. recovery time to within 1 % of V o1 nom
Time required for output within regulation
after initial application of AC-input (V i nom , I o nom )
-4
+4
2000
1.5
% V o nom
μ s
s
after removal of inhibit
(V i nom , I o nom )
100
ms
V i nom , I o nom , 20 MHz bandwidth
Output voltage ripple and noise
Remote sense
Active current share
V o1
V o2
Total compensation for cable losses
Difference in current between two units for V o1
320
50
500
5
mV pp
mV pp
mV
ADC
above 10 % load. Active current share pin with
its 1k Ω internal impedance enables control of
output voltage. Voltage on this pin is proportional
to output current, 2V at I o1 nom
BCD.00021 Rev.AA, 31-JAN -11
Page 4 of 16
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