STPS30100ST(2018) Ver la hoja de datos (PDF) - STMicroelectronics
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STPS30100ST Datasheet PDF : 9 Pages
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STPS30100ST
Characteristics (curves)
• AN4021: Calculation of reverse losses on a power diode
1.1
Characteristics (curves)
Figure 1. Average forward power dissipation versus
average forward current
PF(AV )(W)
26
24
22
20
18
16
14
12
10
8
6
4
2
0
0
4
δ = 0.05
δ = 0.1
δ = 0.2
IF(AV )(A)
8
12
16
20
δ = 0.5
δ=1
T
δ =tp/T
tp
24
28
32
36
Figure 2. Average forward current versus ambient
temperature (δ = 0.5)
35 IF(AV)(A)
30
Rth(j-a) = Rth(j-c)
25
20
15
10
T
Rth(j-a) = 15°C/W
5
δ =tp/T
tp
0
Tamb(°C)
0
25
50
75
100
125
150
Figure 3. Normalized avalanche power derating versus
pulse duration (Tj = 125 °C)
PARM (t p )
1 PARM(10 µs)
0.1
0.01
0.001
1
t p(µs)
10
100
1000
Figure 4. Relative variation of thermal impedance junction
to case versus pulse duration
Zth(j-c)/Rth(j-c)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
Single pulse
0.0
1.E-03
1.E-02
1.E-01
tp(s)
1.E+00
DS5095 - Rev 2
page 3/9
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