VNQ830 데이터 시트보기 (PDF) - STMicroelectronics

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VNQ830

Quad channel high-side driver

STMicroelectronics 

Package and PCB thermal data

Equation 1: pulse calculation formula

ZTHδ = RTH ⋅ δ + ZTHtp(1 – δ)

where δ = tp ⁄ T

VNQ830

Figure 30. Thermal fitting model of a quad channel HSD in SO-28

Tj_1

C1

C2

C3

C4

C5

C6

R1

R2

R3

R4

R5

R6

Pd1

Tj_2 C13

C14

t(s) R13

R14

Pd2

c R17

R18

rodu Tj_3 C7

P Pd3

te R7

ole Tj_4 C15

bs R15

Pd4

C8

R8

C16

R16

C9

C10

C11

C12

R9

R10

R11

R12

t(s) - O T_amb

uc Table 17. Thermal parameters

rodArea / island (cm2)

PR1 = R7 = R13 = R15 (°C/W)

te R2 = R8 = R14 = R16 (°C/W)

le R3 = R9 (°C/W)

so R4 = R10 (°C/W)

Ob R5 = R11 (°C/W)

Footprint

6

0.15

0.7

1.8

10

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

24/28

Doc ID 7390 Rev 5

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