TYPICAL CHARACTERISTICS
25 °C, unless otherwise noted
1
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DTM4485
Normalized
Effective Transient
Thermal Impedance
Duty Cycle = 0.5
0.2
0.1
0.1
0.05
0.02
Single Pulse
10
-3
10
-2
10
-1
1
Square
Wave
Pulse Duration (s)
10
Notes:
P
DM
t
1
t
2
1. Duty Cycle, D =
t
1
t
2
2. Per Unit Base = R
thJA
= 70 °C/W
3. T
JM
- T
A
= P
DM
Z
thJA(t)
4. Surface Mounted
0.01
10
-4
100
1000
Normalized Thermal Transient Impedance, Junction-to-Ambient
1
Duty Cycle = 0.5
Normalized
Effective Transient
Thermal Impedance
0.2
0.1
0.1
0.05
0.02
Single Pulse
0.01
10
-4
10
-3
10
-2
10
-1
Square
Wave
Pulse Duration (s)
1
10
Normalized Thermal Transient Impedance, Junction-to-Foot
6