AOD458
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
100
I
D
(A), Peak Avalanche Current
90
80
70
60
50
40
30
20
10
0.0001
Time in avalanche, t
A
(s)
Figure 12: Single Pulse Avalanche capability
0.001
T
A
=25°C
Power Dissipation (W)
60
50
40
30
20
10
0
0
25
50
75
100
125
150
175
T
CASE
(°C)
Figure 13: Power De-rating (Note B)
4.63
494
692
593
830
100
80
Current rating I
D
(A)
Power (W)
60
40
20
0
0
25
50
75
100
125
150
175
T
CASE
(°C)
Figure 14: Current De-rating (Note B)
50
40
30
20
10
0
0.01
193
18
T
A
=25°C
Tj=150°C
0.1
1
59
142
10
100
1000
Pulse Width (s)
Figure 15: Single Pulse Power Rating Junction-to-
Ambient (Note H)
10
Z
θ
JA
Normalized Transient
Thermal Resistance
D=T
on
/T
T
J,PK
=T
A
+P
DM
.Z
θJA
.R
θJA
R
θJA
=55°C/W
In descending order
D=0.5, 0.3, 0.1, 0.05, 0.02, 0.01, single pulse
1
0.1
0.01
Single Pulse
0.0001
0.001
0.01
0.1
1
P
D
T
on
0.001
0.00001
T
100
1000
10
Pulse Width (s)
Figure 16: Normalized Maximum Transient Thermal Impedance (Note H)
Alpha & Omega Semiconductor, Ltd.
AOSMD [ ALPHA & OMEGA SEMICONDUCTORS ]
