AON7820
20V Dual N-Channel MOSFET
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
35
30
Power Dissipation (W)
25
20
15
10
5
0
0
75
100
125
T
CASE
(°C)
°
Figure 12: Power De-rating (Note F)
25
50
150
Current rating I
S
(A)
40
35
30
25
20
15
10
5
0
0
50
75
100
125
T
CASE
(°C)
°
Figure 13: Current De-rating (Note F)
25
150
10000
T
A
=25°C
1000
Power (W)
100
10
1
0.00001
0.1
10
Pulse Width (s)
Figure 14: Single Pulse Power Rating Junction-to-Ambient (Note H)
0.001
1000
10
Z
θ
JA
Normalized Transient
Thermal Resistance
D=T
on
/T
T
J,PK
=T
A
+P
DM
.Z
θJA
.R
θJA
1
R
θJA
=75°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
P
D
Single Pulse
T
on
T
100
1000
0.001
0.00001
0.0001
0.001
0.01
0.1
1
10
Pulse Width (s)
Figure 15: Normalized Maximum Transient Thermal Impedance (Note H)
5/6
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