DMP4025LK3_15 Datasheet, PDF (3/8 Pages) Diodes Incorporated – 40V P-CHANNEL ENHANCEMENT MODE MOSFET

DMP4025LK3
Thermal Characteristics
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0 20 40 60 80 100 120 140 160
T_A, AMBIENT TEMPERATURE (C)
Figure 1. Power Dissipation vs. Ambient Temperature
100
90
80
70
Single Pulse
R_JA = 70C/W
R_JA(t) = r_(t) * R_JA
T_J - T_A = P * R_JA(t)
60
50
40
30
20
10
0
0.0001 0.001 0.01 0.1 1 10 100 1,000
t1, PULSE DURATION TIME (sec)
Figure 2. Single Pulse Maximum Power Dissipation
1
D = 0.7
D = 0.5
D = 0.3
0.1 _{D = 0.1}
D = 0.05
D = 0.02
0.01 _{D = 0.01}
D = 0.005
Single Pulse
0.001
0.00001
0.0001
D = 0.9
R_JA(t) = r(t) * R_JA
R_JA = 70°C/W
Duty Cycle, D = t1/ t2
0.001
0.01
0.1
1
10
100
t1, PULSE DURATION TIMES (sec)
Figure 3. Transient Thermal Resistance
1,000
DMP4025LK3
Document Number:35938 Rev. 3 - 2
3 of 8
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March 2014
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