AOD478 Datasheet, PDF (5/6 Pages) Alpha & Omega Semiconductors – 100V N-Channel MOSFET

AOD478/AOI478
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
100
60
T_A=25°C
50
T_A=100°C
40
10
T_A=150°C
30
T_A=125°C
20
10
1
0
1
10
100
0
Time in avalanche, t_A (µs)
Figure 12: Single Pulse Avalanche capability (Note
C)
25 50 75 100 125 150 175
T_CASE (°C)
Figure 13: Power De-rating (Note F)
15
12
9
6
3
0
0 25 50 75 100 125 150 175
T_CASE (°C)
Figure 14: Current De-rating (Note F)
10
D=T_on/T
T_J,PK=T_A+P_DM.Z_θJA.R_θJA
1 R_θJA=60°C/W
10000
1000
100
10
T_A=25°C
17
5
2
10
1
0.00001 0.001
0.1
10 0 1000
Pulse Width (s) ₁₈
Figure 15: Single Pulse Power Rating Junction-to-
Ambient (Note H)
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
Single Pulse
P_D
T_on
T
0.00001
0.0001
0.001
0.01
0.1
1
10
100
Pulse Width (s)
Figure 16: Normalized Maximum Transient Thermal Impedance (Note H)
1000
Rev 1: Nov. 2011
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