ALQ40_03 Datasheet, PDF (14/16 Pages) Astec America, Inc – Industry Standard ¼ Brick: 36V-75V Input / 50A Output Current

Technical Reference Notes
ALQ40/50 Series
(Open Frame Single Output Quarter Brick)
Performance Curves (continued)
CURRENT VS. TEMPERATURE CURVES
3.3V DERATING, 48V Input
40
35
30
25
20
15
0 LFM (0 m/ s)
10
100 LFM (0.5m/ s)
200 LFM (1.0 m/ s)
5
400 LFM (2.0 m/s)
0
25
35
45
55
65
75
85
Ambient Temperature (°C)
2.5V DERATING, 48V Input
50
45
40
35
30
25
0 LFM (0 m/s)
20
100 LFM (0.5m/s)
15
200 LFM (1 m/s)
400 LFM (2 m/ s)
10
25
35
45
55
65
75
85
Ambient Temperature (°C)
Figure 21. ALQ40F48 (3.3V) Output Derating curves at Figure 22. ALQ50G48 (2.5V) Output Derating curves at
various airflow conditions directed across PIN 3 to 1 with various airflow conditions directed across PIN 3 to 1 with
the module mounted vertically.
the module mounted vertically.
1.8V DERATING, 48V Input
50
45
40
35
30
25
0 LFM (0 m/ s)
20
100 LFM (0.5m/ s)
15
200 LFM (1.0 m/ s)
400 LFM (2.0 m/s)
10
25
35
45
55
65
75
85
Ambient Temperature (°C)
1.2V DERATING, 48V Input
50
45
40
35
30
25
0 LFM (0 m/ s)
20
100 LFM (0.5m/ s)
15
200 LFM (1.0 m/ s)
400 LFM (2.0 m/ s)
10
25
35
45
55
65
75
85
Ambient Temperature (°C)
Figure 23. ALQ50Y48 (1.8V) Output Derating curves at Figure 24. ALQ50K48 (1.2V) Output Derating curves at
various airflow conditions directed across PIN 3 to 1 with various airflow conditions directed across PIN 3 to 1 with
the module mounted vertically.
the module mounted vertically.
MODEL: ALQ50 SERIES
APRIL 21, 2003 - REVISION A (PRELIMINARY)
SHEET 14 OF 16