STB/P80L60
Ver2.0
V
( BR )D S S
tp
L
V
DS
RG
20V
D .U .T
I
A S
tp
+
-
V
DD
0.0 1
I
AS
Unclamped Inductive Waveforms
F igure 13b.
Unclamped Inductive Test Circuit
F igure 13a.
2
1
D=0.5
r(t),Normalized E ffective
T ransient T hermal Impedance
0.2
0.1
0.1
0.05
0.02
0.01
S ingle P uls e
P
DM
t
1
t
2
1.
2.
3.
4.
R
J C
(t)=r (t) * R
J C
R
J C
=S ee Datas heet
T
J M-
T
C
= P * R
J C
(t )
Duty C ycle, D=t1/t2
0.01
0.00001
0.0001
0.001
0.01
0.1
1
10
S quare Wave P uls e Duration (ms ec)
F igure 14. Normalized T hermal T rans ient Impedance C urve
Sep,17,2010
5
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