VNQ830M(2003) View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

VNQ830M
(Rev.:2003)

QUAD CHANNEL HIGH SIDE DRIVER

STMicroelectronics 

SO-28 Thermal Impedance Junction Ambient Single Pulse

Zth(°C/W )

100

10

1

0.1

VNQ830M

0,5 cm^2/island

3 cm^2 /i sl an d

6 cm^2/island

One channel ON

Two channels ON

on same chip

0.01

1E-04 0.001 0.01

0.1 1

tim e (s )

10 100 1000

Thermal fitting model of a four channels HSD

in SO-28

Pulse calculation formula

ZTHδ = RTH ⋅ δ + ZTHtp(1 – δ)

Tj_1 C1

C2

C3

C4

C5

C6

R1

R2

R3

R4

R5

R6

Pd1

Tj_2 C13

C14

R13

R14

Pd2

R17

R18

Tj_3 C7

Pd3

R7

Tj_4 C15

R15

Pd4

C8

R8

C16

R16

C9

C10

C11

C12

R9

R10

R11

R12

T_amb

where δ = tp ⁄ T

Thermal Parameter

Area/island (cm2)

0.5

6

R1=R7=R13=R15 (°C/W)

0.15

R2=R8=R14=R16 (°C/W)

0.8

R3=R9 (°C/W)

4.5

R4=R10 (°C/W)

11

R5=R11 (°C/W)

15

R6=R12 (°C/W)

5

13

C1=C7=C13=C15 (W.s/°C)

0.0006

C2=C8=C14=C16 (W.s/°C)

C3=C9 (W.s/°C)

2.10E-03

6.00E-03

C4=C10 (W.s/°C)

0.2

C5=C11 (W.s/°C)

1.5

C6=C12 (W.s/°C)

R17=R18 (°C/W)

5

8

150

17/20

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