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參數(shù)資料
| 型號(hào)： | HPL1117U |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 1A Low Dropout Fast Response Positive Adjustable Regulator and Fixed 1.8V, 2.5V, 2.85V, 3.3V and 5V |
| 中文描述： | 1A低壓差快速反應(yīng)積極可調(diào)穩(wěn)壓器和固定在1.8V，2.5V，工作在2.85V，3.3V和5V |
| 文件頁數(shù)： | 12/19頁 |
| 文件大?。?/td> | 204K |
| 代理商： | HPL1117U |
Rev. B.13 - Mar., 2004
HPL1117
12
Copyright
HIPAC Semiconductor, Inc.
www.hipacsemi.com
Application Information ( Cont.)
The thermal resistance for each application will be
affected by thermal interactions with other compo-
nents on the board. Some experimentation will be
necessary to determine the actual value.
The power dissipation of HPL1117 is equal to :
P
D
= (V
IN
- V
OUT
) x I
OUT
Maximum junction temperature is equal to :
T
JUNCTION
= T
AMBIENT
+ (P
D
x
θ
JA
)
Note: T
JUNCTION
must not exceed 125°C
T hermal Considerations (Cont.)
30
35
40
45
50
55
60
0
2
4
6
8
10
12
14
T
(
TA=25°C
Top Copper Area (cm
2
)
Figure 4.
θ
(J-A) vs. copper area for the SOT-223
package
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| HPL1117V | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:1A Low Dropout Fast Response Positive Adjustable Regulator and Fixed 1.8V, 2.5V, 2.85V, 3.3V and 5V |
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