FNW700R64-18 Datasheet, PDF (5/14 Pages) Lineage Power Corporation – 36 - 75 Vdc Input; 28Vdc Output; 700W Output

Data Sheet
September 6, 2008
FNW700R Power Modules; DC-DC Converters
36 – 75 Vdc Input; 28Vdc Output; 700W Output
Characteristic Curves
The following figures provide typical characteristics for the FNW700R (28V, 25A) at 25ºC. The figures are identical for
either positive or negative Remote On/Off logic.
93
91
89
Vin=36V
87
Vin=48V
85
Vin=75V
83
81
0
5
10
15
20
OUTPUT CURRENT, I_o (A)
Figure 1. Converter Efficiency versus Output
Current.
25
TIME, t (20ms/div)
Figure 4. Typical Start-Up Using Remote On/Off,
R1=30Kohm; C_o,ext = 470µF.
TIME, t (1μs/div)
Figure 2. Typical Output Ripple and Noise at Room
Temperature and 48Vin; I_o = I_o,max; C_o,ext = 470µF.
TIME, t (20ms/div)
Figure 5. Typical Start-Up Using from V_IN, positive logic
version shown; C_o,ext = 470µF.
TIME, t (1ms/div)
Figure 3. Transient Response to Dynamic Load
Change from 25% to 50% to 25% of Full Load at
Room Temperature and 48 Vdc Input; 0.1A/uS ;
C_o,ext = 470µF.
TIME, t (1ms/div)
Figure 6. Transient Response to Dynamic Load Change
from 50% to 75% to 50% of Full Load at Room
Temperature and 48 Vdc Input; 0.1A/uS ;
C_o,ext = 470µF.
LINEAGE POWER
5