AOB438 Ver la hoja de datos (PDF) - Alpha and Omega Semiconductor
Número de pieza
componentes Descripción
Fabricante
AOB438 Datasheet PDF : 5 Pages
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AOB438
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
60
60
50
40
TA=25°C
30
20
10
0.00001
0.0001
0.001
Time in avalanche, tA (s)
Figure 12: Single Pulse Avalanche capability
60
50
50
40
30
20
10
0
0
50
40
1.4
494
593
692
830
25 50 75 100 125 150 175
TCASE (°C)
Figure 13: Power D1e9-r3ating (Note B)
18
TA=25°C
40
30
30
20
20
10
10
0
0
25 50 75 100 125 150 175
TCASE (°C)
Figure 14: Current De-rating (Note B)
0
0.01
0.1
59
1 142 10
100
1000
Pulse Width (s)
Figure 15: Single Pulse Power Rating Junction-to-
Ambient (Note H)
10
In descending order
D=0.5, 0.3, 0.1, 0.05, 0.02, 0.01, single pulse
1
0.1
0.01
0.001
0.00001
Single Pulse
D=Ton/T
TJ,PK=TA+PDM.ZθJA.RθJA
RθJA=50°C/W
PD
Ton
T
0.0001
0.001
0.01
0.1
1
10
100
Pulse Width (s)
Figure 16: Normalized Maximum Transient Thermal Impedance (Note H)
1000
Alpha & Omega Semiconductor, Ltd.
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