SS26
P
FO
, AVERAGE POWER DISSIPATION (W)
I
F
, AVERAGE FORWARD CURRENT (A)
3.5
3
2.5
2
1.5
1
0.5
0
60
70
80
90
100
110
120
130
SQUARE WAVE
dc
2
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
SQUARE WAVE
dc
0
0.5
1
1.5
2
2.5
3
T
L
, LEAD TEMPERATURE (°C)
I
O
, AVERAGE FORWARD CURRENT (A)
Figure 5. Current Derating
−
Junction to Lead
R
T
, TRANSIENT THERMAL RESISTANCE (NORMALIZED) R
T
, TRANSIENT THERMAL RESISTANCE (NORMALIZED)
Figure 6. Forward Power Dissipation
1.0E+00
50%
20%
1.0E−01 10%
5.0%
1.0E−02 2.0%
1.0%
R
tjl(t)
= R
tjl*r(t)
1.0E−03
1.0E−04
0.00001
0.0001
0.001
0.01
0.1
t, TIME (s)
1.0
10
100
1000
Figure 7. Thermal Response
−
Junction to Case
1.0E+00
50%
20%
10%
5.0%
1.0E−01
1.0E−02 2.0%
1.0E−03 1.0%
R
tjl(t)
= R
tjl*r(t)
1.0E−04
0.00001
0.0001
0.001
0.01
0.1
t, TIME (s)
1.0
10
100
1000
Figure 8. Thermal Response
−
Junction to Ambient
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