ACST4 Просмотр технического описания (PDF) - STMicroelectronics
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ACST4 Datasheet PDF : 13 Pages
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ACST4
AC line transient voltage ruggedness
Figure 13. Relative variation of critical rate of Figure 14. Surge peak on-state current versus
decrease of main current versus
number of cycles.
junction temperature.
(dI/dt)c [Tj] / (dI/dt)c [Tj = 125°C]
6
5
4
3
2
1
Tj(°C)
0
25
50
75
Vout=300V
ITSM(A)
35
30
25
20
15
10
5
0
100
125
1
Non repetitive
Tj initial=25°C
Repetitive
TC=100°C
Number of cycles
10
100
t=20ms
1000
Figure 15.
Non repetitive surge peak on-state
current for a sinusoidal pulse with
width tp < 10 ms, and
corresponding value of I2t.
Figure 16.
On-state characteristics (maximum
values).
ITSM(A), I²t (A²s)
1000
dI/dt limitation:
50A/µs
Tj initial=25°C
ITM(A)
100.00
Tj max. :
Vto= 0.90 V
Rd= 100 mΩ
100
10.00
ITSM
Tj=125°C
10
I²t
1.00
Tj=25°C
1
0.01
tp(ms)
0.10
1.00
10.00
VTM(V)
0.10
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Figure 17.
Thermal resistance junction to
ambient versus copper surface
under tab (printed circuit board
FR4, copper thickness: 35 µm).
Rth(j-a)(°C/W)
100
DPAK
90
IPAK
80
70
60
50
40
30
20
10
0
0
S(cm²)
5
10
15
20
25
30
35
40
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