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VNQ830 数据表(PDF) 24 Page - STMicroelectronics |
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VNQ830 数据表(HTML) 24 Page - STMicroelectronics |
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24 / 28 page  Package and PCB thermal data VNQ830 24/28 Doc ID 7390 Rev 5 Equation 1: pulse calculation formula Figure 30. Thermal fitting model of a quad channel HSD in SO-28 Table 17. Thermal parameters Area / island (cm2)Footprint 6 R1 = R7 = R13 = R15 (°C/W) 0.15 R2 = R8 = R14 = R16 (°C/W) 0.7 R3 = R9 (°C/W) 1.8 R4 = R10 (°C/W) 10 R5 = R11 (°C/W) 15 R6 = R12 (°C/W) 30 13 C1 = C7 = C13 = C15 (W.s/°C) 0.0005 C2 = C8 = C14 = C16 (W.s/°C) 3E-03 C3 = C9 (W.s/°C) 1.50E-02 C4 = C10 (W.s/°C) 0.15 C5 = C11 (W.s/°C) 1.5 C6 = C12 (W.s/°C) 5 8 R17 = R18 (°C/W) 150 Z TH δ R TH δ Z THtp 1 δ – () + ⋅ = where δ t p T ⁄ = Pd1 C1 R4 C3 C4 R3 R1 R6 R5 R2 C5 C6 C2 Pd2 R14 C13 C14 R13 Tj_1 Tj_2 T_amb Pd3 C7 R10 C9 C10 R9 R7 R12 R11 R8 C11 C12 C8 Pd4 R16 C15 C16 R15 Tj_3 Tj_4 R17 R18 Obsolete Product(s) - Obsolete Product(s) |
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