VNQ830M_04 STMICROELECTRONICS [STMicroelectronics], VNQ830M_04 Datasheet - Page 17

• Manufacturer Part Number: VNQ830M_04
• Description: QUAD CHANNEL HIGH SIDE DRIVER
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Thermal fitting model of a four channels HSD
in SO-28
SO-28 Thermal Impedance Junction Ambient Single Pulse
Pd3
Tj_1
Pd1
Tj_2
Tj_4
Pd2
Tj_3
Pd4
C15
C1
R1
C13
R13
C7
R7
R15
Zth(°C/W )
0.01
C16
C14
100
R14
R16
0.1
C2
R2
C8
R8
10
1
1E-04 0.001 0.01
R17
C3
R3
C9
R9
T_amb
R18
C10
C4
R4
R10
C11
C5
R5
R11
0.1
tim e (s )
C12
C6
R6
R12
1
Pulse calculation formula
Thermal Parameter
10
Z
where
R1=R7=R13=R15 (°C/W)
R2=R8=R14=R16 (°C/W)
R3=R9 (°C/W)
R4=R10 (°C/W)
R5=R11 (°C/W)
R6=R12 (°C/W)
C1=C7=C13=C15 (W.s/°C)
C2=C8=C14=C16 (W.s/°C)
C3=C9 (W.s/°C)
C4=C10 (W.s/°C)
C5=C11 (W.s/°C)
C6=C12 (W.s/°C)
R17=R18 (°C/W)
TH
Area/island (cm
100
=
R
TH
=
1000
t
p
T
+
2
Z
)
T Htp
0 , 5 c m ^ 2 / i s l a n d
6 c m ^ 2 / i s l a n d
3 c m ^ 2 / i s l a n d
1 –
2.10E-03
6.00E-03
0.0006
One channel ON
Two channels ON
on same chip
0.15
150
0.5
0.8
4.5
0.2
1.5
11
15
5
5
VNQ830M
13
6
8
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