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參數(shù)資料
| 型號： | ISL59534IKEZ |
| 廠商： | INTERSIL CORP |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | 32x16 Video Crosspoint |
| 中文描述： | 32-CHANNEL, CROSS POINT SWITCH, PBGA356 |
| 封裝： | 27 X 27 MM, ROHS COMPLIANT, PLASTIC, MS-034A-BAL-2, BGA-356 |
| 文件頁數(shù)： | 21/22頁 |
| 文件大?。?/td> | 1176K |
| 代理商： | ISL59534IKEZ |
21
All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9000 quality systems.
Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without
notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and
reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result
from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see www.intersil.com
FN6249.5
February 7, 2007
Where:
T
JMAX
= Maximum junction temperature = +125
°
C
T
AMAX
= Maximum ambient temperature = +85
°
C
θ
JA
= Thermal resistance of the package
The maximum power dissipation actually produced by an IC
is the total quiescent supply current times the total power
supply voltage, plus the power in the IC due to the load, or:
n
∑
Where:
V
S
= Supply voltage = 5V
I
SMAX
= Maximum quiescent supply current = 505mA
V
OUT
= Maximum output voltage of the application = 2V
R
LOAD
= Load resistance tied to ground = 150
n = 1 to 16 channels
n
∑
The required
θ
JA
to dissipate 3.2W is:
T
MAX
Table 8 shows
θ
JA
thermal resistance results with a
Wakefield heatsink and without heatsink and various airflow.
At the thermal resistance equation shows, the required
thermal resistance depends on the maximum ambient
temperature.
TABLE 8.
θ
JA
THERMAL RESISTANCE [
°
C/W]
Airflow [LFM]
0
250
500
750
No Heatsink
18
14.3
13.0
12.6
Wakefield
658-25AB
Heatsink
16.0
7.0
6.0
4.7
PD
MAX
V
S
I
SMAX
V
S
V
OUTi
–
(
)
i
1
=
V
Li
-----------------
×
+
×
=
(EQ. 2)
PD
MAX
V
S
I
SMAX
V
S
V
OUTi
–
(
)
i
1
=
V
Li
-----------------
×
+
×
3.2W
=
=
(EQ. 3)
Θ
JA
T
–
--------------------------------------------
12.5
°
C/W
(
)
=
=
(EQ. 4)
ISL59534
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