9474 Datasheet, PDF (2/5 Pages) STMicroelectronics – POWER SCHOTTKY RECTIFIER

STPS3150/U
THERMAL RESISTANCES
Symbol
R_{th(j-l) Junction to leads}
Parameter
Lead length = 10 mm
DO-1201AD
SMB
Value
20
15
Unit
°C/W
STATIC ELECTRICAL CHARACTERISTICS
Symbol
Parameter
Tests conditions
Min. Typ. Max. Unit
I_R * _{Reverse leakage current Tj = 25°C}
V_F * _{Forward voltage drop}
T_j = 125°C
T_j = 25°C
T_j = 125°C
T_j = 25°C
T_j = 125°C
V_R = 150V
I_F = 3 A
I_F = 6 A
0.4 2.0 µA
0.6 2.0 mA
0.78 0.82 V
0.63 0.67
0.85 0.89
0.70 0.75
Pulse test : * tp = 380 µs, δ < 2%
To evaluate the maximum conduction losses use the following equation:
P = 0.59 x I_F(AV) + 0.023 x I_F2(RMS)
Fig. 1: Conduction losses versus average current.
PF(AV)(W)
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.0
0.5
δ = 0.05
δ = 0.1
δ = 0.2
δ = 0.5
δ=1
T
IF(AV)(A)
δ=tp/T
tp
1.0
1.5
2.0
2.5
3.0
3.5
Fig. 3-1: Non repetitive surge peak forward current
versus overload duration (maximum values)
(SMB).
IM(A)
12
11
SMB
10
9
8
7
Ta=25°C
6
Ta=75°C
5
4
3
2
IM
1
0
1.E-03
t
δ=0.5
1.E-02
t(s)
1.E-01
Ta=125°C
1.E+00
2/5
Fig. 2: Average forward current versus ambient
temperature (δ = 0.5).
IF(AV)(A)
3.5
3.0
Rth(j-a)=Rth(j-I)
DO-201AD
2.5
SMB
2.0
1.5
Rth(j-a)=75°C/W
1.0
0.5
0.0
0
T
δ=tp/T
25
tp
50
Tamb(°C)
75
100
125
150
175
Fig. 3-2: Non repetitive surge peak forward current
versus overload duration (maximum values)
(DO-201AD).
IM(A)
14
DO-201AD
12
10
Ta=25°C
8
6
4
IM
2
0
1.E-03
t
δ=0.5
1.E-02
t(s)
1.E-01
Ta=75°C
Ta=125°C
1.E+00