AOB442 Просмотр технического описания (PDF) - Alpha and Omega Semiconductor
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AOB442 Datasheet PDF : 7 Pages
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AOB442
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
1000
180
TA=25°C
100
150
TA=100°C
120
90
10
TA=150°C
60
TA=125°C
30
1
0
1
10
100
1000
0
Time in avalanche, tA (µs)
Figure 12: Single Pulse Avalanche capability
(Note C)
25
50
75
100 125 150
TCASE (°C)
Figure 13: Power De-rating (Note F)
120
10000
100
TA=25°C
1000
80
17
60
100
5
2
40
10
10
20
0
0
10
1
25 50 75 100 125 150 175
TCASE (°C)
Figure 14: Current De-rating (Note F)
1
0.0001
0.01
1
100
10000
0
Pulse Width (s)
18
Figure 15: Single Pulse Power Rating Junction-to-
Ambient (Note H)
D=Ton/T
TJ,PK=TA+PDM.ZθJA.RθJA
RθJA=36°C/W
In descending order
D=0.5, 0.3, 0.1, 0.05, 0.02, 0.01, single pulse
40
0.1
0.01
0.001
0.0001
PD
Single Pulse
Ton
T
0.001
0.01
0.1
1
10
100
1000
Pulse Width (s)
Figure 16: Normalized Maximum Transient Thermal Impedance (Note H)
10000
Rev 0: June 2009
www.aosmd.com
Page 5 of 7
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