VN920-E 查看數據表（PDF） - STMicroelectronics
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VN920-E Datasheet PDF : 24 Pages
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P2PAK Thermal Data
Figure 25. P2PAK PC Board
VN920-E / VN920B5-E / VN920SO-E
Layout condition of Rth and Zth measurements (PCB FR4 area= 60mm x 60mm, PCB thickness=2mm,
Cu thickness=35µm, Copper areas: 0.97cm2, 8cm2).
Figure 26. P2PAK Rthj-amb Vs PCB copper area in open box free air condition
RTHj_amb (°C/W)
55
50
Tj-Tamb=50°C
45
40
35
30
0
2
4
6
8
10
PCB Cu heatsink area (cm^2)
15/24
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