Datasheet

STPS1545D/F/FP/R/G
2/7
Symbol Parameter Value Unit
R
th (j-c)
Junction to case TO-220AC, I
2
PAK,
D
2
PAK
1.6 °C/W
ISOWATT220AC
TO-220FPAC
4.0
THERMAL RESISTANCES
Symbol Parameter Tests Conditions Min. Typ. Max. Unit
I
R
* Reverse leakage current Tj = 25°C V
R
=V
RRM
200 µA
Tj = 125°C 11 40 mA
V
F
* Forward voltage drop Tj = 125°C I
F
= 15 A 0.5 0.57 V
Tj = 25°C I
F
= 30 A 0.84
Tj = 125°C I
F
= 30 A 0.65 0.72
STATIC ELECTRICAL CHARACTERISTICS
Pulse test : * tp = 380 µs, δ <2%
To evaluate the conduction losses use the following equation :
P=0.42xI
F(AV)
+ 0.01 I
F
2
(RMS)
0 2 4 6 8 10 12 14 16 18
0
2
4
6
8
10
12
IF(av) (A)
PF(av)(W)
δ = 1
δ = 0.5
δ = 0.2
δ = 0.1
δ = 0.05
T
δ
=tp/T
tp
Fig. 1: Average forward power dissipation versus
average forward current.
0 25 50 75 100 125 150 175
0
2
4
6
8
10
12
14
16
18
Tamb(°C)
IF(av)(A)
Rth(j-a)=Rth(j-c)
Rth(j-a)=15°C/W
TO-220AC
ISOWATT220AC
T
δ
=tp/T
tp
Fig. 2: Average current versus ambient
temperature (δ = 0.5).
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
0.10.01 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.