PM4550J
Reverse Drain Current vs.
Source to Drain Voltage
50
Reverse Drain Current I
DR
(A)
Pulse Test
40
30
V
GS
= 0, –5 V
20
10
V
GS
= 10 V
0
0.4
0.8
1.2
1.6
2.0
Source to Drain Voltage V
SD
(V)
Normalized Transient Thermal Impedance
γ
(t)
Normalized Transient Thermal Impedance vs. Pulse Width
D=1
0.5
0.2
0.1
0.1
1
0.05
0.02
0.01
sh
ot
θ
ch – C (t) =
γ
(t) ·
θ
ch – C
θ
ch – C = 0.5°C/W, T
C
= 25°C
P
DM
se
ul
p
0.01
1
PW
T
1m
10 m
Pulse Width PW (s)
100 m
1
D=
PW
T
10
0.001
100
µ
6
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