參數(shù)資料
| 型號： | ISL59530IRZ |
| 廠商： | Intersil |
| 文件頁數(shù)： | 17/26頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC VIDEO CROSSPOINT SWITCH 72QFN |
| 標準包裝： | 168 |
| 功能： | 視頻交叉點開關 |
| 電路： | 1 x 16:16 |
| 電流 - 電源： | 320mA |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 72-WFQFN 裸露焊盤 |
| 供應商設備封裝： | 72-QFN（10x10） |
| 包裝： | 托盤 |
24
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
FN6220.8
April 13, 2011
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:
Where:
VS = Supply voltage = 5V
ISMAX = Maximum quiescent supply current = 360mA
VOUT = Maximum output voltage of the application = 2V
RLOAD = Load resistance tied to ground = 150
n = 1 to 16 channels
The required
θJA to dissipate 2.44W is:
Table 8 shows
θJA thermal resistance results with a
Wakefield heatsink and without heatsink and various airflow.
As the thermal resistance shows, the required thermal
resistance depends on the maximum ambient temperature.
TABLE 8.
θJA 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
PDMAX
VS ISMAX
VS VOUTi
–
()
i1
=
n
∑
VOUTi
RLi
-----------------
×
+
×
=
(EQ. 2)
PDMAX
VS ISMAX
VS VOUTi
–
()
i1
=
n
∑
VOUTi
RLi
-----------------
×
+
×
2.44W
=
(EQ. 3)
Θ
JA
TJMAX TAMAX
–
PDMAX
---------------------------------------------
16.4
°C/W
()
=
(EQ. 4)
ISL59530
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