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参数资料
| 型号： | DQ63318QGA08NNT |
| 厂商： | SYNQOR INC |
| 元件分类： | 电源模块 |
| 英文描述： | 2-OUTPUT 77 W DC-DC REG PWR SUPPLY MODULE |
| 文件页数： | 10/14页 |
| 文件大小： | 760K |
| 代理商： | DQ63318QGA08NNT |
Product # DQ63318QGL08
Phone 1-888-567-9596
Doc.# 005-2DQ638D Rev. C
11/17/03
Page 5
Performance Curves
48Vin 3.3/1.8Vout 77W
Quarter
Brick Dual
83
84
85
86
87
88
89
90
7
8
9
101112
131415
Load Current (A)
Efficiency
(%)
3.3Vo, 35Vin
1.8Vo, 35Vin
3.3Vo, 48Vin
1.8Vo, 48Vin
3.3Vo, 75Vin
1.8Vo, 75Vin
Figure 1: Efficiency vs. output current, from half load to full load on
each output voltage at minimum, nominal, and maximum input voltage
at 25°C. Output not under test is held constant at half load.
4
5
6
7
8
9
10
7
8
9
10
11
12
13
14
15
Load Current (A)
Power
Dissipation
(W)
3.3Vo, 35Vin
1.8Vo, 35Vin
3.3Vo, 48Vin
1.8Vo, 48Vin
3.3Vo, 75Vin
1.8Vo, 75Vin
Figure 2: Power dissipation vs. output current, from half load to full
load on each output voltage at minimum, nominal, and maximum input
voltage at 25°C. Output not under test is held constant at half load.
60
65
70
75
80
85
90
95
100
0
102030
40506070
Total Output Power (W)
Efficiency
(%)
35 Vin
48 Vin
75 Vin
Figure 3: Overall converter efficiency vs. output power from zero load
to full load at minimum, nominal, and maximum input voltage at 25°C.
Both loads are equal and range from zero to full load.
0
1
2
3
4
5
6
7
8
9
10
11
12
0
10
2030
4050
6070
Total Output Power (W)
Power
Dissipation
(W)
35 Vin
48 Vin
75 Vin
Figure 4: Overall converter power dissipation vs. output power from
zero load to full load at minimum, nominal, and maximum input voltage
at 25°C. Both loads are equal and range from zero to full load.
Figure 5: Overall converter efficiency at nominal output voltages and
60% rated power on each output rail vs. airflow rate for ambient tem-
peratures of 25°C, 40°C and 55°C (nominal input voltage).
Figure 6: Overall converter power dissipation at nominal output volt-
ages and 60% rated power on each output rail vs. airflow rate for
ambient temperatures of 25°C, 40°C and 55°C (nominal input voltage).
86.0
86.5
87.0
87.5
88.0
88.5
89.0
89.5
90.0
0
50
100
150
200
250
300
350
400
Airflow (LFM)
Efficiency
(%)
25 C
40 C
55 C
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
0
50
100
150
200
250
300
350
400
Airflow (LFM)
Power
Dissipation
(W)
25 C
40 C
55 C
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|---|---|
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