AOL1422
150
TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS
0
20
40
60
80
100
0 25 50 75 100 125 150 175
T
CASE
(°C)
Figure 13: Current De-rating (Note B)
Current rating I
D
(A)
1
10
100
1000
0.001 0.01 0.1 1 10 100 1000
Pulse Width (s)
Figure 14: Single Pulse Power Rating Junction-to-Ambient (Note G)
Power (W)
T
J(Max)
=150°C
T
A
=25°C
0.001
0.01
0.1
1
10
0.00001 0.0001 0.001 0.01 0.1 1 10 100 1000
Pulse Width (s)
Figure 15: Normalized Maximum Transient Thermal Impedance (Note G)
Z
θ
JA
Normalized Transient
Thermal Resistance
D=T
on
/T
T
J,PK
=T
A
+P
DM
.Z
θJA
.R
θJA
R
θJA
=50°C/W
Single Pulse
T
n
T
P
D
In descending order
D=0.5, 0.3, 0.1, 0.05, 0.02, 0.01, single pulse
0
20
40
60
80
100
120
0 25 50 75 100 125 150 175
T
CASE
(°C)
Figure 12: Power De-rating (Note B)
Power Dissipation (W)
Alpha & Omega Semiconductor, Ltd.
www.aosmd.com
