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GD82541PI bảng dữ liệu(PDF) 35 Page - Intel Corporation

tên linh kiện GD82541PI
Giải thích chi tiết về linh kiện  82541 Family of Gigabit Ethernet Controllers
PDF  46 Pages
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nhà sản xuất  INTEL [Intel Corporation]
Trang chủ  http://www.intel.com
Logo INTEL - Intel Corporation

GD82541PI bảng dữ liệu(HTML) 35 Page - Intel Corporation

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Networking Silicon — 82541(PI/GI/EI)
35
5.2
Thermal Specifications
The 82541(PI/GI/EI) device is specified for operation when the ambient temperature (TA) is within
the range of 0° C to 70° C.
TC (case temperature) is calculated using the equation:
TC = TA + P (θJA - θJC)
TJ (junction temperature) is calculated using the equation:
TJ = TA + P θJA
P (power consumption) is calculated by using the typical ICC, as indicated in Table 7 of Section 4.0,
and nominal VCC. The preliminary thermal resistances are shown in Table 13.
Thermal resistances are determined empirically with test devices mounted on standard thermal test
boards. Real system designs may have different characteristics due to board thickness, arrangement
of ground planes, and proximity of other components. The case temperature measurements should
be used to assure that the 82541(PI/GI/EI) device is operating under recommended conditions.
Table 13. Thermal Characteristics
Symbol
Parameter
Preliminary Value at specified
airflow (m/s)
Units
012
θJA
Thermal resistance, junction-to-ambient
29
25.0
23.5
C/Watt
θJC
Thermal resistance, junction-to-case
11.1
11.1
11.1
C/Watt



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