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STPS40L40CW Scheda tecnica(PDF) 2 Page - STMicroelectronics

Il numero della parte STPS40L40CW
Spiegazioni elettronici  LOW DROP POWER SCHOTTKY RECTIFIER
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STPS40L40CW Scheda tecnica(HTML) 2 Page - STMicroelectronics

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STPS40L40CT/CW
2/5
Symbol
Parameter
Tests Conditions
Min.
Typ.
Max.
Unit
IR *
Reverse leakage current
Tj = 25
°CVR =VRRM
0.8
mA
Tj = 100
°C
30
70
mA
VF *
Forward voltage drop
Tj = 25
°CIF =20 A
0.53
V
Tj = 125
°CIF =20 A
0.42
0.49
Tj=25
°CIF =40 A
0.69
Tj = 125
°CIF =40 A
0.6
0.7
Pulse test:*tp=380 µs,
δ <2%
To evaluate the conduction losses use the following equation :
P=0.28xIF(AV) + 0.0105 IF
2
(RMS)
STATIC ELECTRICAL CHARACTERISTICS (per diode)
Symbol
Parameter
Value
Unit
Rth (j-c)
Junction to case
Per diode
Total
1.5
0.8
°C/W
Rth(c)
Coupling
0.1
°C/W
THERMAL RESISTANCES
0246
8
10 12 14 16 18 20 22 24
0
2
4
6
8
10
12
14
16
IF(av) (A)
PF(av)(W)
δ = 0.2
δ = 0.5
δ = 1
δ = 0.05
δ = 0.1
T
δ=tp/T
tp
Fig. 1: Average forward power dissipation versus
average forward current (per diode).
0
25
50
75
100
125
150
0
2
4
6
8
10
12
14
16
18
20
22
IF(av)(A)
Rth(j-a)=15°C/W
Rth(j-a)=Rth(j-c)
Tamb(°C)
T
δ=tp/T
tp
Fig.
2:
Average
current
versus
ambient
temperature (
δ = 0.5, per diode).
When the diodes 1 and 2 are used simultaneously :
∆ Tj(diode 1) = P(diode1) x Rth(j-c)(Per diode) + P(diode 2) x Rth(c)
0
0.2
0.4
0.6
0.8
1
1.2
0
25
50
75
100
125
150
T (°C)
j
P(t )
P
(25°C)
ARM p
ARM
Fig. 4: Normalized avalanche power derating
versus junction temperature.
0.001
0.01
0.1
0.01
1
0.1
10
100
1000
1
t (µs)
p
P(t )
P
(1µs)
ARM p
ARM
Fig. 3: Normalized avalanche power derating
versus pulse duration.


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