參數(shù)資料
型號: PC33887VW
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 運動控制電子
英文描述: STEPPER MOTOR CONTROLLER, PDSO20
封裝: LEAD FREE, PLASTIC, HSOP-20
文件頁數(shù): 17/32頁
文件大小: 859K
代理商: PC33887VW
Analog Integrated Circuit Device Data
24
Freescale Semiconductor
33887
PACKAGING
SOLDERING INFORMATION
PACKAGING
SOLDERING INFORMATION
The 33887 packages are designed for thermal
performance. The significant feature of these packages is the
exposed pad on which the power die is soldered. When
soldered to a PCB, this pad provides a path for heat flow to
the ambient environment. The more copper area and
thickness on the PCB, the better the power dissipation and
transient behavior will be.
Example Characterization on a double-sided PCB:
bottom side area of copper is 7.8 cm2; top surface is 2.7 cm2
(see Figure ); grid array of 24 vias 0.3 mm in diameter
.
Figure 24. PCB Test Layout
Top Side
Bottom Side
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