STPS1L40 查看數據表（PDF） - STMicroelectronics
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STPS1L40 Datasheet PDF : 13 Pages
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STPS1L40
1.1
Characteristics (curves)
Figure 1: Average forward power dissipation
versus average forward current
PF(AV) (W)
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.0
0.2
δ = 0.05 δ = 0.1
δ = 0.2
δ = 0.5
δ= 1
T
IF(AV)(A)
δ = tp/T
tp
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Characteristics
Figure 2: Average forward current versus ambient
temperature (SMA, δ = 0.5)
IF(AV) (A)
4.0
3.5
3.0
Rth(j-a) = Rth(j-l)
2.5
2.0
1.5
1.0
T
0.5
δ = tp/T
tp
0.0
0
25
50
75
SMA
Tamb(°C)
100
125
150
175
Figure 3: Average forward current versus ambient
temperature (SMB, δ = 0.5)
IF(AV) (A)
4.0
3.5
Rth(j-a) = Rth(j-l)
3.0
2.5
2.0
1.5
1.0
T
0.5
δ = tp/T
tp
0.0
0
25
50
75
SMB
Tamb(°C)
100
125
150
175
Figure 4: Average forward current versus ambient
temperature (SOD123Flat, δ = 0.5)
IF(AV) (A)
5
4
Rth(j-a) = Rth(j-l)
SOD123Flat
3
2
T
1
δ= tp/T
0
0
25
tp
50
Tamb(°C)
75
100
125
150
175
Figure 5: Normalized avalanche power derating
versus junction temperature (Tj = 125 °C)
PARM(t p )
1 PARM(10 µs)
0.1
0.01
0.001
1
t p(µs)
10
100
1000
Figure 6: Relative variation of thermal impedance
junction to ambient versus pulse duration (SMA)
Zth(j-a)/Rth(j-a)
1.0
SMA
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1 Single pulse
0.0
1.E-02
1.E-01
1.E+00
1.E+01
t P (s)
1.E+02
1.E+03
DocID5507 Rev 7
3/13
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