參數(shù)資料
型號: MPC8347EVVALFA
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 667 MHz, MICROPROCESSOR, PBGA672
封裝: 35 X 35 MM, 1.46 MM HEIGHT, 1 MM PITCH, LEAD FREE, TBGA-672
文件頁數(shù): 10/120頁
文件大小: 1349K
代理商: MPC8347EVVALFA
MPC8347EA PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 2
Freescale Semiconductor
107
Thermal
f
Accurate thermal design requires thermal modeling of the application environment using computational
fluid dynamics software which can model both the conduction cooling and the convection cooling of the
air moving through the application. Simplified thermal models of the packages can be assembled using the
junction-to-case and junction-to-board thermal resistances listed in the thermal resistance table. More
detailed thermal models can be made available on request.
Heat sink vendors include the following list:
Aavid Thermalloy
603-224-9988
80 Commercial St.
Concord, NH 03301
Internet: www.aavidthermalloy.com
Alpha Novatech
408-567-8082
473 Sapena Ct. #12
Santa Clara, CA 95054
Internet: www.alphanovatech.com
International Electronic Research Corporation (IERC)
818-842-7277
413 North Moss St.
Burbank, CA 91502
Internet: www.ctscorp.com
Table 67. Heat Sink and Thermal Resistance of MPC8347EA (PBGA)
Heat Sink Assuming Thermal Grease
Air Flow
29
× 29 mm PBGA
Thermal Resistance
AAVID 30
× 30 × 9.4 mm Pin Fin
Natural Convection
13.5
AAVID 30
× 30 × 9.4 mm Pin Fin
1 m/s
9.6
AAVID 30
× 30 × 9.4 mm Pin Fin
2 m/s
8.8
AAVID 31
× 35 × 23 mm Pin Fin
Natural Convection
11.3
AAVID 31
× 35 × 23 mm Pin Fin
1 m/s
8.1
AAVID 31
× 35 × 23 mm Pin Fin
2 m/s
7.5
Wakefield, 53
× 53 × 25 mm Pin Fin
Natural Convection
9.1
Wakefield, 53
× 53 × 25 mm Pin Fin
1 m/s
7.1
Wakefield, 53
× 53 × 25 mm Pin Fin
2 m/s
6.5
MEI, 75
× 85 × 12 no adjacent board, extrusion
Natural Convection
10.1
MEI, 75
× 85 × 12 no adjacent board, extrusion
1 m/s
7.7
MEI, 75
× 85 × 12 no adjacent board, extrusion
2 m/s
6.6
MEI, 75
× 85 × 12 mm, adjacent board, 40 mm Side bypass
1 m/s
6.9
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