ALQ15XX48X Datasheet, PDF (13/19 Pages) Astec America, Inc – Industry Standard ¼ Brick: 36V-75V Input / 60W Output Power

Technical Reference Notes
ALQ15XX48X Series
(Open Frame Dual Output Quarter Brick)
Performance Curves (continued)
ALQ15GM48 (2.5V / 1.5V) SERIES
2.5V/1.5V Efficiency @ P_O1 = P_O2
90
85
80
75
70
65
60
55
50
5
10 15
20 25 30 35 40 45
36Vin
48Vin
75Vin
50 55 60
TOTAL POWER [W]
Figure 13. Efficiency at balanced power (P_O1 = P_O2) for
various input voltages; taken at T_A=25ºC with the
converter mounted vertically and with 400LFM airflow
directed from Pin 3 to Pin 1.
2.5V/1.5V Efficiency @ Balanced Current
90
85
80
75
70
65
36Vin
48Vin
60
75Vin
55
0
3
6
9
12
15
LOAD CURRENT I_O1 = I_O2 [A]
Figure 14. Efficiency curve for balanced output current
(I_O1 = I_O2) at various input voltages; taken at T_A=25ºC
with the converter mounted vertically and with 400LFM
airflow directed from Pin 3 to Pin 1.
MODEL: ALQ15 SERIES
MARCH 4, 2004 - REVISION 01
SHEET 13 OF 19