ALQ25_03 Datasheet, PDF (11/15 Pages) Astec America, Inc – Single Output Open-Frame DC-DC Converter Module Industry Standard ¼ Brick: 36V-75V Input / 5V Output

Technical Reference Notes
ALQ25 Series
(Open Frame Single Output Quarter Brick)
Performance Curves
ALQ25A48 (5.0V) SERIES
Efficiency vs. Load Curve
100
90
80
70
60
Min
50
Max
40
Ave
30
20
10
0
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Load [A]
Efficiency vs. Load Curve
100
90
80
70
60
Min
Max
50
Ave
40
30
20
10
0
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Load (A)
Figure 5. Efficiency vs. Load Current Curves at T_A=25°C Figure 6. Efficciency vs Load Current Curves at T_A=25°C
for 36Vin
For 48Vin
Efficiency vs. Load Curve
100
90
80
70
60
Min
50
Max
Ave
40
30
20
10
0
10%
20% 30%
40% 50% 60%
Load (A)
70% 80%
90% 100%
Figure 7. Figure 6. Efficciency vs Load Current Curves at
T_A=25°C for 75Vin
MODEL: ALQ25 SERIES
Dec 1, 2003 - REVISION B
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