參數(shù)資料
型號(hào): LQD40A48-3V3-1V2RA
元件分類: 電源模塊
英文描述: 2-OUTPUT 90 W DC-DC REG PWR SUPPLY MODULE
封裝: QUARTER BRICK PACKAGE-7
文件頁(yè)數(shù): 6/28頁(yè)
文件大小: 462K
代理商: LQD40A48-3V3-1V2RA
SXA10 Series
| 60W DC/DC
Quarter-Brick Dual Series
| 40A DC/DC
High Efficiency, High Current, Low Profile DC/DC Converters
14
Figure 1.1: Maximum Current Per Output vs. Ambient
Temperature and Airflow from Pin 3 to Pin 4
Iout1 = Iout2, Vin = 48V
Figure 1.2: Maximum Current Per Output vs. Ambient
Temperature and Airflow from Pin 3 to Pin 1
Iout1 = Iout2, Vin = 48V
Figure 3: Efficiency vs. Crossload
Vout1/Vout2
Figure 4: Efficiency vs. Load
Iout1 = Iout2
Figure 5: Typical Start-up,
Top (Vout1 and Vout2), Bottom (Vin)
25
35
45
55
65
75
85
0
5
10
15
20
25
OUTPUT
CURRENT
(A)
AMBIENT TEMPERATURE (C)
0.5 m/s (100 LFM)
1 m/s (200 LFM)
1.5 m/s (300 LFM)
2 m/s (400 LFM)
0
5
10
15
20
25
35
45
55
65
75
85
OUTPUT
CURRENT
(A)
AMBIENT TEMPERATURE (C)
0.5 m/s (100 LFM)
1 m/s (200 LFM)
1.5 m/s (300 LFM)
2 m/s (400 LFM)
0/20
4/16
20/0
74
78
82
86
90
94
EFFICIENCY
(%)
CURRENT LOADING (A)
36 Vin
48 Vin
75 Vin
12/8
8/12
16/4
0
48
12
16
20
60
70
80
90
100
EFFICIENCY
(%)
OUTPUT CURENT (A)
36 Vin
48 Vin
75 Vin
Figure 2: Efficiency vs. Line
35
40
45
50
55
60
65
70
75
87
88
89
90
91
92
EFFICIENCY
(%)
INPUT VOLTAGE (V)
LQD40A48-3V3-1V2 Model
File Name: lf_quarter_brick_d_perform.pdf Rev: 13 Oct 2004
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