參數(shù)資料
型號(hào): 108847252
元件分類: 電源模塊
英文描述: 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
文件頁(yè)數(shù): 7/24頁(yè)
文件大?。?/td> 861K
代理商: 108847252
Tyco Electronics Corp.
15
Data Sheet
June 2001
3.3 Vdc and 5.0 Vdc Input, 1.5 Vdc - 3.3 Vdc Output, 5A
Austin Lite Non-Isolated SMT DC - DC Power Modules:
Thermal Ratings (continued)
1-0279
Figure 30.Thermal Derating of 5.0VIN/1.8VOUT
1-0278
Figure 31.Thermal Derating 5.0 VIN, 2.5 VOUT
1-0277
Figure 32.Thermal Derating 5.0 VIN, 3.3 VOUT
Efficiency
Figures 33—39 show typical efficiency charts for Austin
Lite Power Modules at different input voltages. The
data reflects a 25 °C ambient temperature. Efficiencies
will decrease approximately 2% at maximum tempera-
tures. Efficiency is measured in production at 25 °C
and full load.
1-0290
Figure 33. Efficiency: 3.3 VIN, 1.5 VOUT
1-0289
Figure 34. Efficiency: 3.3 VIN, 1.8 VOUT
6
5
4
3
2
1
0
30
40
50
60
70
80
TEMPERATURE (C)
2.5 m/s (500 ft./min.)
2.0 m/s (400 ft./min.)
1.0 m/s (200 ft./min.)
0.5 m/s (100 ft./min.)
1.5 m/s (300 ft./min.)
OUTPUT
CURRENT
,I
O
(A)
7
6
5
4
3
2
1
0
30
40
50
60
70
80
TEMPERATURE (C)
2.5 m/s (500 ft./min.)
2.0 m/s (400 ft./min.)
1.0 m/s (200 ft./min.)
0.5 m/s (100 ft./min.)
1.5 m/s (300 ft./min.)
OUTPUT
CURRENT
,I
O
(A)
7
6
5
4
3
2
1
0
OUTPUT
CURRENT
,I
O
(A)
30
40
50
60
70
80
TEMPERATURE (C)
2.5 m/s (500 ft./min.)
2.0 m/s (400 ft./min.)
1.0 m/s (200 ft./min.)
0.5 m/s (100 ft./min.)
1.5 m/s (300 ft./min.)
80
78
76
74
72
70
68
66
64
62
60
3
012
4
56
EFFICIENCY
,
η
(%)
OUTPUT CURRENT, IO (A)
VI = 3.0 V
VI = 3.3 V
VI = 3.6 V
88
84
80
76
72
68
64
60
3
012
4
56
EFFICIENCY
,
η
(%)
OUTPUT CURRENT, IO (A)
VI = 3.0 V
VI = 3.3 V
VI = 3.6 V
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