FNP1500/1800 Front-Ends
& FNR-3 Power Shelf Data Sheet
Output Specifications, 48Vout Models
Specification is valid for input voltage, load, and temperature ranges, unless otherwise stated.
Parameter
Conditions/Description
Io = 16.1 A
Min
Nom
48
Max
Units
VDC
Nominal output voltage Vo1
Nominal output voltage Vo2
Output voltage set point accuracy
Io = 0.5 A
12
VDC
Vi = 230 VAC, Io1 =16.1 A, TC = 25 °C
-0.5
-8
+0.5
+8
% Vo1 nom
(47.8 - 48.2 VDC)
Output voltage trimming
(via I2C or with external resistor)
Adjustable (44.16 to 51.84 VDC)
% Vo1 nom
FNP1500-48G
Io1 nom @ Vi =105 VAC – 264 VAC, Po 1.5 kW
Io1 nom @ Vi = 85 VAC – 105 VAC, Po 1.2 kW
32.2
25.4
ADC
ADC
Nominal
current
FNP1800-48G
output 1
Io1 nom @ Vi =180 VAC – 264 VAC, Po 1.8 kW
Io1 nom @ Vi =105 VAC – 180 VAC, Po 1.5 kW
Io1 nom @ Vi = 85 VAC – 105 VAC, Po 1.2 kW
39.2
32.2
25.4
39.2
ADC
ADC
ADC
FNP1500-48G
Current
Io1 max @ Vi = 105 VAC – 264 VAC
Io1 max @ Vi = 85 VAC – 105 VAC
droop hiccup
36.8
30
ADC
ADC
droop hiccup
limit
FNP1800-48G
Io1 max @ Vi = 180 VAC – 264 VAC
Io1 max @ Vi = 105 VAC – 180 VAC
Io1 max @ Vi = 85 VAC – 105 VAC
droop hiccup
droop hiccup
droop hiccup
43.8
36.8
30
ADC
ADC
ADC
output 1
Nominal current output 2
Current limit output 2
Io2 nom @ Vi = 85 VAC – 264 VAC, Po 12 W
Io2 max @ Vi = 85 VAC – 264 VAC
Vi min - Vi max, 50 % Io nom
1.0
1.5
1.0
ADC
ADC
Static line regulation output 1
-0.5
0.5
% Vo nom
Static load
regulation
FNP1500-48G
Vi = 230 V, 5-100 % Io nom
90.1
48
mV/A
VDC
Vo : full load (32.2 ADC) to no load
46.54
45.91
49.44
49.44
output 1
FNP1800-48G
Vi = 230 V, 5-100 % Io nom
90.1
48
mV/A
VDC
(droop
characteristic)
Vo : full load (32.2 ADC) to no load
Static load regulation
Vi = 230 V, 5-100 % Io nom
0.4
VDC
output 2 (droop characteristic)
Vo : full load (32.2 ADC) to no load
% Vo nom
Load change 50%<─>100% Io nom, dIo/dt =1 A/s
Dynamic
Voltage deviation (droop + over- or undershoot)
load
FNP1500-48G
FNP1800-48G
All models
-5
5
% Vo nom
% Vo nom
s
regulation
-5.7
5.7
400
Max. recovery time to within 1 % of Vo1 nom
Difference in current between two units for Vo1 above
10 % load.
Current
Share
FNP1500-48G
FNP1800-48G
3.2
3.9
ADC
ADC
Start-up time
Time required for output within regulation
after initial application of AC-input (Vi nom, Io nom
)
1.5
s
after removal of inhibit (Vi nom, Io nom
)
100
ms
V
i nom, Io nom, 20 MHz bandwidth
Output voltage ripple and noise
(Filter 10 nF/10 µF)
480
120
mVpp
mVpp
Vo1
Vo2
Remote sense
Total compensation for cable losses
500
mV
MCD10074 Rev. 1.2, 15-Apr-10
Page 5 of 17
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