參數(shù)資料
型號: LQD25A48-5V0-3V3
元件分類: 電源模塊
英文描述: 2-OUTPUT 87.5 W DC-DC REG PWR SUPPLY MODULE
文件頁數(shù): 15/33頁
文件大?。?/td> 536K
代理商: LQD25A48-5V0-3V3
High Efficiency, High Current, Low Profile DC/DC Converters
22
www.artesyn.com
Figure 30: Efficiency vs. Line
35
43
51
59
67
75
82
84
86
88
90
92
EFFICIENCY
(%)
INPUT VOLTAGE (V)
Figure 29.1: Maximum Current Per Output vs. Ambient
Temperature and Airflow from Pin 3 to Pin 4
Iout1 = Iout2, Vin = 48V
0
2
4
6
8
10
12
14
16
25
35
45
55
65
75
85
OUTPUT
CURRENT
(A)
AMBIENT TEMPERATURE (C)
0.5 m/s (100 LFM)
1.0 m/s (200 LFM)
1.5 m/s (300 LFM)
2.0m/s (400 LFM)
Figure 29.2: Maximum Current Per Output vs. Ambient
Temperature and Airflow from Pin 3 to Pin 1
Iout1 = Iout2, Vin = 48V
0
2
4
6
8
10
12
14
16
25
35
45
55
65
75
85
OUTPUT
CURRENT
(A)
AMBIENT TEMPERATURE (C)
0.5 m/s (100 LFM)
1.0 m/s (200 LFM)
1.5 m/s (300 LFM)
2.0m/s (400 LFM)
0
3
6
9
12
15
60
70
80
90
100
EFFICIENCY
(%)
OUTPUT CURRENT (A)
35 Vin
48 Vin
75 Vin
82
84
86
88
90
92
EFFICIENCY
(%)
OUTPUT CURRENT (A)
35 Vin
48 Vin
75 Vin
0/15
3/12
6/9
9/6
12/3
15/0
Figure 31: Efficiency vs. Crossload
Vout1/Vout2
Figure 32: Efficiency vs. Load
Iout1 = Iout2
LQD30A48-3V3-1V8 Model
Figure 33: Typical Start-up
Top (Vout1 and Vout2), Bottom (Vin)
File Name: lf_quarter_brick_d_value.pdf Rev: 13 Oct 2004
Quarter-Brick Dual Series | 30A DC/DC
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