Technical Specification
100
95
90
6
5
Input:
Outputs:
Power:
Package:
35-75V
+12V & -12V
60W
Quarter-brick
Power Dissipation (W)
Efficiency (%)
4
3
2
85
80
75
70
65
60
0
12
24
36
48
60
35 Vin
48 Vin
75 Vin
35 Vin
1
0
0
12
24
36
48
48 Vin
75 Vin
60
Total Output Power (W)
Total Output Power (W)
Figure 1:
Efficiency vs. output power, from 0 load to full load with 50%
load on -12V output and 50% load on +12V output at minimum, nomi-
nal, and maximum input voltage at 25
°
C.
100
95
90
Figure 2:
Power dissipation vs. output power, from 0 load to full load
with 50% load on -12V output and 50% load on +12V output at mini-
mum, nominal, and maximum input voltage at 25
°
C.
6
5
Power Dissipation (W)
Efficiency (%)
4
3
2
85
80
75
70
65
60
34.5/1.2
27.5/8.5
19.2/16.9
10.9/25.2
2.4/33.5
35 Vin
48 Vin
75 Vin
35 Vin
1
0
34.5/1.2
27.5/8.5
19.2/16.9
10.9/25.2
2.4/33.5
48 Vin
75 Vin
Output Power (W), -12Vout/+12Vout
Output Power (W), -12Vout/+12Vout
Figure 3:
Efficiency vs. output power, with total output power fixed at
60% load (36W) and loads split as shown between -12V and +12V out-
puts at minimum, nominal, and maximum input voltage at 25
°
C.
Figure 4:
Power dissipation vs. output power, with total output power
fixed at 60% load (36W) and loads split as shown between -12V and
+12V outputs at minimum, nominal, and max input voltage at 25
°
C.
93
7.0
92
Efficiency
(%)
91
Power Dissipation (W)
6.0
5.0
90
4.0
25 C
40 C
55 C
0
100
200
300
400
500
89
88
87
0
100
200
300
400
25 C
40 C
55 C
500
3.0
2.0
Air Flow (LFM)
Air Flow
(LFM)
Figure 5:
Efficiency vs. load current, with 80% load and 50/50 voltage
split (2A load on -12V and 2A load on +12V) over variations in temper-
ature and airflow.
Product # DQ61212QMA06
Phone 1-888-567-9596
Figure 6:
Power dissipation vs. load current, with 80% load and 50/50
voltage split (2A load on -12V and 2A load on +12V) over variations in
temperature and airflow.
Doc.# 005-2DQ612E Rev. C
01/11/06
Page 5
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