AOD458
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
180
150
15
12
120
9
90
60
30
0
6
3
0
0
25
50
75
100
125
150
175
0
25
50
75
100
125
150
175
400
300
200
100
0
T CASE (°C)
Figure 12: Power De-rating (Note B)
T CASE (°C)
Figure 13: Current De-rating (Note B)
T A =25°C
0.01
0.1
1
Pulse Width (s)
10 100
1000
Figure 14: Single Pulse Power Rating Junction-to-Ambient (Note G)
10
D=T on /T
T J,PK =T A +P DM .Z θ JA .R θ JA
In descending order
D=0.5, 0.3, 0.1, 0.05, 0.02, 0.01, single pulse
1
0.1
0.01
R θ JA =55°C/W
P D
0.001
Single Pulse
T on
T
0.0001
0.0001
0.001
0.01
0.1
1
10
100
1000
10000
Pulse Width (s)
Figure 15: Normalized Maximum Transient Thermal Impedance (Note G)
Rev0: April 2011
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