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參數(shù)資料
| 型號： | TXS120ZY-P21V |
| 廠商： | POWER-ONE INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT 144 W DC-DC REG PWR SUPPLY MODULE |
| 封裝： | 2.400 X 3.450 INCH, 0.500 INCH HEIGHT, 3/4 BRICK PACKAGE-14 |
| 文件頁數(shù)： | 26/27頁 |
| 文件大小： | 2635K |
| 代理商： | TXS120ZY-P21V |
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Product Specification
TXS Series: 75…120 A DC-DC Converters
36 to 75 V DC Input, 1.2, 1.5, 1.8, 2.0 and 2.5 V Output, 90 W to 250 W
REV. FEB 18, 2003
8 of 27
www.power-one.com
Power loss figures:
TXS loss at Ui = 36V
0
5
10
15
20
25
30
0
20406080
100
Output Current [A]
Power
Loss
[W]
TXS100ZY
TXS100ZA
TXS100ZB
TXS100ZD
Figure 5
TXS loss at Ui = 60V
0
5
10
15
20
25
30
0
2040
6080
100
Output Current [A]
Power
Loss
[W]
TXS100ZY
TXS100ZA
TXS100ZB
TXS100ZD
Figure 7
Efficiency and power loss of high output current
converters are difficult to measure. See figure 36
Figures 1-8 are typical curves, measured at ambient
temperature. At elevated base plate temperatures
.
TXS loss at Ui = 48V
0
5
10
15
20
25
30
0
2040
6080
100
Output Current [A]
Power
Loss
[W]
TXS100ZY
TXS100ZA
TXS100ZB
TXS100ZD
Figure 6
TXS loss at Ui = 75V
0
5
10
15
20
25
30
35
0
2040
6080
100
Output Current [A]
Power
Loss
[W]
TXS100ZY
TXS100ZA
TXS100ZB
TXS100ZD
Figure 8
the dissipation of the converters is increased
because of the positive temperature coefficient
of copper and MOS FETs. The loss at a specific
base plate temperature can be estimated using
table 7 on page 15.
The report “Next generation TXS modules”
shows preliminary data of power loss and
efficiency. Depending on the type, the no load
and at full load loss can be reduced by up to 7W.
Output power:
Po = Uo Io
Input power:
Pi = Ui Ii
Efficiency:
η = Po / Pi
Dissipation:
PLoss = Pi - Po = Po (1 / η -1)
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