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VN7140ASTR Datasheet(PDF) 43 Page - STMicroelectronics |
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VN7140ASTR Datasheet(HTML) 43 Page - STMicroelectronics |
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43 / 55 page ![]() VN7140AJ, VN7140AS Package and PCB thermal data DocID027401 Rev 3 43/55 Figure 52: Thermal fitting model of a double-channel HSD in SO-8 The fitting model is a simplified thermal tool and is valid for transient evolutions where the embedded protections (power limitation or thermal cycling during thermal shutdown) are not triggered. Table 17: Thermal parameters Area/island (cm2) Footprint 2 8 4L R1 (°C/W) 4.2 R2 (°C/W) 4.3 R3 (°C/W) 10 R4 (°C/W) 28 17 17 17 R5 (°C/W) 24 12 9 4 R6 (°C/W) 30 23 19 9 C1 (W.s/°C) 0.00012 C2 (W.s/°C) 0.003 C3 (W.s/°C) 0.03 C4 (W.s/°C) 0.1 C5 (W.s/°C) 0.4 0.8 0.8 0.8 C6 (W.s/°C) 3 7 11 22 |
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