Input:
Outputs:
Current:
Package:
35-75V
5.0V & 3.3V
60W
Quarter-brick
Technical Specification
100
95
90
85
80
75
70
65
60
8
7
6
5
4
3
2
1
0
35 Vin
48 Vin
75 Vin
35 Vin
48 Vin
75 Vin
0
10
20
30
40
50
60
0
10
20
30
40
50
60
Total Output Power (W)
Total Output Power (W)
Figure 1: Efficiency vs. output power, from 0 load to full load with 50%
Figure 2: Power dissipation vs. output power, from 0 load to full load
load on 3.3V output and 50% load on 5.0V output at minimum, nominal,
with 50% load on 3.3V output and 50% load on 5.0V output at mini-
and maximum input voltage at 25
°C.
mum, nominal, and maximum input voltage at 25°C.
100
95
90
85
80
75
70
65
60
8
7
6
5
4
3
2
1
0
35 Vin
48 Vin
75 Vin
35 Vin
48 Vin
75 Vin
10.9/0
9.4/1
7.9/2
6.4/3
4.8/4
3.3/5
1.8/6
10.9/0
9.4/1
7.9/2
6.4/3
4.8/4
3.3/5
1.8/6
0/7.2
Load Current (A), 3.3Vout/5.0Vout
Load Current (A), 3.3Vout/5.0Vout
Figure 3: Efficiency vs. load current, with total output power fixed at
Figure 4: Power dissipation vs. load current, with total output power
60% load (36W) and load currents split as shown between 3.3V and
fixed at 60% load (36W) and load currents split as shown between 3.3V
5.0V outputs at minimum, nominal, and maximum input voltage at 25
°C.
and 5.0V outputs at minimum, nominal, and max input voltage at 25°C.
90
89
88
87
86
85
8.0
7.0
6.0
5.0
4.0
84
25 C
25 C
3.0
40 C
83
82
40 C
55 C
55 C
2.0
0
100
200
300
400
500
0
100
200
300
400
500
Air Flow (LFM)
Air Flow (LFM)
Figure 5: Efficiency at 80% load and 50/50 voltage split (7.3A load on
Figure 6: Power dissipation at 80% load and 50/50 voltage split (7.3A
3.3V and 4.8A load on 5.0V) versus airflow rate for ambient air temper-
load on 3.3V and 4.8A load on 5.0V) versus airflow rate for ambient air
atures of 25
°C, 40
°C.and 55
°C (nominal input voltage).
temperatures of 25
°
C, 40
°
C.and 55
°C (nominal input voltage).
Product # DQ65033QMA06
Phone 1-888-567-9596
Doc.# 005-2DQ653E Rev. H
7/7/04
Page 5
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