參數(shù)資料
型號: VND5050AKTR-E
廠商: 意法半導體
英文描述: Double channel high side driver with analog current sense for automotive applications
中文描述: 雙通道模擬汽車應用的電流檢測的高邊驅(qū)動器
文件頁數(shù): 17/26頁
文件大?。?/td> 717K
代理商: VND5050AKTR-E
VND5050AJ-E / VND5050AK-E
Package and PCB thermal data
17/26
4
Package and PCB thermal data
4.1
PowerSSO-12 thermal data
Figure 25. PowerSSO-12 PC Board
Figure 26. R
thj-amb
Vs. PCB copper area in open box free air condition
Figure 27.
PowerSSO-12 Thermal Impedance Junction Ambient Single Pulse
Pulse Calculation Formula
Z
TH
δ
where
δ
= t
P
/T
R
TH
δ
Z
THtp
1
δ
(
)
+
=
Layout condition of R
th
and Z
th
measurements (PCB: Double layer, Thermal Vias, FR4 area= 77mm x 86mm,
PCB thickness=1.6mm, Cu thickness=70
μ
m (front and back side), Copper areas: from minimum pad lay-out to 8cm
2
).
40
45
50
55
60
65
70
0
2
4
6
8
10
RTHj_amb(°C/W)
PCB Cu heatsink area (cm^2)
0.1
0.0001
1
10
100
1000
0.001
0.01
0.1
1
10
100
1000
Time (s)
ZTH (C/W)
Footprint
8 cm
2
2 cm
2
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