DFA20E12D5 Ver la hoja de datos (PDF) - Power-One Inc.
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DFA20E12D5 Datasheet PDF : 4 Pages
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DFA20 SERIES – DUAL OUTPUT
Typical Performance: (Tc=25°C, Vin=Nom VDC, Rated Load)
12 VOLT EFFICIENCY Vs. LOAD
85 LINE = 9VDC
80
LINE = 12VDC
LINE = 18VDC
75
70
0 10 20 30 40 50 60 70 80 90 100
LOAD (%)
24 VOLT EFFICIENCY Vs. LOAD
90
12 VOLT EFFICIENCY Vs. LINE INPUT VOLTAGE
85
50% FULL LOAD
80
100% FULL LOAD
75
70
9 10 11 12 13 14 15 16 17 18
LINE INPUT (VOLTS)
24 VOLT EFFICIENCY Vs. LINE INPUT VOLTAGE
90
12 VOLT INPUT CURRENT Vs. LINE INPUT VOLTAGE
3.5
3.0
2.5
100% LOAD
2.0
1.5
50% LOAD
1.0
0.5
0.0
0 2 4 6 8 10 12 14 16 18
LINE INPUT (VOLTS)
24 VOLT INPUT CURRENT Vs. LINE INPUT VOLTAGE
2.0
85 LINE = 18VDC
80
LINE = 24VDC
75
100% FULL LOAD
85
50% FULL LOAD
80
1.5
100% LOAD
1.0
50% LOAD
0.5
70 LINE = 36VDC
0 10 20 30 40 50 60 70 80 90 100
LOAD (%)
75
18 20 22 24 26 28 30 32 34 36
LINE INPUT (VOLTS)
0.0
0 4 8 12 16 20 24 28 32 36
LINE INPUT (VOLTS)
48 VOLT EFFICIENCY Vs. LOAD
90
LINE = 36VDC
80
75 LINE = 48VDC
48 VOLT EFFICIENCY Vs. LINE INPUT VOLTAGE
90
100% FULL LOAD
85
80
50% FULL LOAD
75
48 VOLT INPUT CURRENT Vs. LINE INPUT VOLTAGE
1.00
0.75
100% LOAD
0.50
50% LOAD
0.25
60 LINE = 72VDC
0 10 20 30 40 50 60 70 80 90 100
LOAD (%)
70
36 40 44 48 52 56 60 64 68 72
LINE INPUT (VOLTS)
0.00
0 10 20 30 40 50 60 70 80
LINE INPUT (VOLTS)
NOTES ON USING THE CURVES
1) The input currents are for 20 watts of output power. For ±5 volt output models
the current is approximately 15% less.
2) The efficiency curves are for 12 volt output models. To use for other models
adjust as follows:
±5 volt models subtract approximately 3%.
±15volt models add approximately 1%.
4
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