STPS4045CW Просмотр технического описания (PDF) - STMicroelectronics
Номер в каталоге
Компоненты Описание
Список матч
STPS4045CW Datasheet PDF : 5 Pages
| |||
STPS4045CP/CW
THERMAL RESISTANCES
Symbol
Rth (j-c) Junction to case
Rth (c)
Parameter
Per diode
total
Coupling
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)
STATIC ELECTRICAL CHARACTERISTICS (per diode)
Value
1.5
0.8
0.1
Unit
°C/W
Symbol
IR *
VF *
Parameter
Reverse leakage
current
Forward voltage drop
Tests Conditions
Tj = 25°C
VR = VRRM
Tj = 125°C
Tj = 125°C
IF = 20 A
Tj = 25°C
Tj = 125°C
IF = 40 A
IF = 40 A
Pulse test : * tp = 380 µs, δ < 2%
Min. Typ. Max. Unit
200 µA
11 40 mA
0.56 0.63 V
0.94
0.7 0.83
To evaluate the conduction losses use the following equation :
P = 0.46 x IF(AV) + 0.0085 IF2(RMS)
Fig. 1: Average forward power dissipation Fig. 2: Average current versus ambient
versus average forward current (per diode).
temperature (per diode).
PF(av)(W)
18
16
δ = 0.2
δ = 0.5
14
δ = 0.1
12
δ = 0.05
δ= 1
10
8
6
T
4
2
IF(av) (A)
δ=tp/T
tp
0
0 2 4 6 8 10 12 14 16 18 20 22 24 26
IF(av)(A)
22
20
18
16
14
12
10
8
6
T
4
2
δ=tp/T
0
0
25
tp
50
Rth(j-a)=Rth(j-c)
Rth(j-a)=15°C/W
Tamb(°C)
75 100
125
150
175
2/5
Share Link: 