VN920DSP View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

VN920DSP

HIGH SIDE DRIVER

STMicroelectronics 

Figure 27. PowerSO-10 Thermal Impedance Junction Ambient Single Pulse

ZTH (°C/W)

100

10

VN920DSP

Footprint

6 cm2

1

0.1

0.01

0.0001 0.001

0.01

0.1

1

Time (s)

10

100 1000

Figure 28. Thermal fitting model of a double

channel HSD in PowerSO-10

Tj C1

C2

C3

C4

C5

C6

R1

R2

R3

R4

R5

R6

Pd

T_amb

Pulse calculation formula

ZTHδ = RTH ⋅ δ + ZTHtp(1 – δ)

where δ = tp ⁄ T

Table 14. Thermal Parameter

Area/island (cm2)

R1 (°C/W)

R2 (°C/W)

R3( °C/W)

R4 (°C/W)

R5 (°C/W)

R6 (°C/W)

C1 (W.s/°C)

C2 (W.s/°C)

C3 (W.s/°C)

C4 (W.s/°C)

Footprint

6

0.02

0.1

0.2

0.8

12

37

22

0.0015

7.00E-03

0.015

0.3

C5 (W.s/°C)

C6 (W.s/°C)

0.75

3

5

15/19

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