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VND9012AJ Datasheet(PDF) 29 Page - STMicroelectronics

Part # VND9012AJ
Description  Double channel high-side driver with current sense analog feedback for automotive applications
PDF  40 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VND9012AJ Datasheet(HTML) 29 Page - STMicroelectronics

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Figure 23. Rthj-amb vs PCB copper area in open box free air condition (one channel on)
30
40
50
60
70
80
90
0
2
4
6
8
10
RTHjamb
PCB Cu heatsink area (cm^2)
RTHj_amb(°C/W)
RTHj_amb(°C/W)
Figure 24. PowerSSO-16 thermal impedance junction ambient single pulse (one channel on)
1
10
100
0.01
0.1
1
10
100
1000
ZTH (°C/W)
Time (s)
Cu=foot print
Cu=2 cm2
Cu=8 cm2
4 Layer
Equation: pulse calculation formula
ZTHδ = RTH · δ + ZTHtp (1 - δ)
where δ = tP/T
VND9012AJ
PowerSSO-16 thermal data
DS12727 - Rev 3
page 29/40



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