參數(shù)資料
型號(hào): PC7457VGU933N
廠商: Atmel Corp.
英文描述: PowerPC 7457 RISC Microprocessor
中文描述: 7457的PowerPC RISC微處理器
文件頁(yè)數(shù): 15/66頁(yè)
文件大?。?/td> 522K
代理商: PC7457VGU933N
15
PC7457/47 [Preliminary]
5345B–HIREL–02/04
Thermal Management
Information
This section provides thermal management information for the ceramic ball grid array
(CBGA) package for air-cooled applications. Proper thermal control design is primarily
dependent on the system-level design – the heat sink, airflow, and thermal interface
material. To reduce the die-junction temperature, heat sinks may be attached to the
package by several methods – spring clip to holes in the printed-circuit board or pack-
age, and mounting clip and screw assembly (see Figure 32 on page 55); however, due
to the potential large mass of the heat sink, attachment through the printed-circuit board
is suggested. If a spring clip is used, the spring force should not exceed 10 pounds.
Figure 5.
Package Exploded Cross-sectional View with Several Heat Sink Options
Printed-Circuit Board
Thermal Interface
Material
Heat Sink
Clip
Heat Sink
CBGA Package
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