STPS20L15D(1999) View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
STPS20L15D Datasheet PDF : 5 Pages
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STPS20L15D/G
THERMAL RESISTANCES
Symbol
Rth (j-c) Junction to case
Parameter
Value
1.6
Unit
°C/W
STATIC ELECTRICAL CHARACTERISTICS
Symbol
Tests Conditions
Tests Conditions
Min. Typ. Max. Unit
IR * Reverse leakage
current
Tj = 25°C
Tj = 100°C
VR = 15V
VR = 15V
6
mA
200 500
VF * Forward voltage drop
Tj = 25°C
IF = 19 A
0.41 V
Tj = 25°C
IF = 40 A
0.52
Tj = 125°C IF = 19 A
0.28 0.33
Tj = 125°C IF = 40 A
0.42 0.50
Pulse test : * tp = 380 µs, δ < 2%
To evaluate the maximum conduction losses use the following equation :
P = 0.18 x IF(AV) + 8.10-3 x IF2(RMS)
Fig. 1: Average forward power dissipation versus
average forward current.
PF(av)(W)
8
7
δ = 0.05
6
5
4
3
2
1
0
0246
δ = 0.1
δ = 0.2
δ = 0.5
δ=1
T
IF(av) (A)
δ=tp/T
tp
8 10 12 14 16 18 20 22
Fig. 3: Non repetitive surge peak forward current
versus overload duration (maximum values).
IM(A)
250
200
150
100
50 IM
0
1E-3
t
δ=0.5
t(s)
1E-2
1E-1
Tc=50°C
Tc=75°C
Tc=110°C
1E+0
2/5
Fig. 2: Average forward current versus ambient
temperature ( δ = 1).
IF(av)(A)
22
20
18
Rth(j-a)=Rth(j -c)
16
14 Rth(j-a)=35°C/W
Rth(j-a)=15°C/W
12
10
8
6
T
4
2 δ=tp/T
tp
0
0
25
Tamb(°C)
50
75
100
125
Fig. 4: Relative variation of thermal impedance
junction to case versus pulse duration.
Zth(j-c)/Rth(j-c)
1.0
0.8
0.6 δ = 0.5
0.4
δ = 0.2
0.2 δ = 0.1
Single pulse
0.0
1.0E-4
1.0E-3
tp (s)
1.0E-2
T
δ=tp/T
1.0E-1
tp
1.0E+0
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