ACST28S View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
ACST28S Datasheet PDF : 11 Pages
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ACST2 Series
Characteristics
Figure 9.
Relative variation of critical rate of Figure 10. 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]
20
18
16
14
12
10
8
6
4
2
0
25
50
Tj(°C)
75
VOUT=300 V
100
125
ITSM(A)
9
8
7
6
5
4
3
2
1
0
1
Non repetitive
Tj initial=25 °C
Repetitive
TC=110 °C
Number of cycles
10
100
t=20ms
One cycle
1000
Figure 11.
Non repetitive surge peak on-state
current for a sinusoidal pulse with
width tP < 10 ms, and
corresponding value of
I²t
Figure 12.
On-state characteristics (maximum
values)
ITSM(A), I²t (A²s)
100.0
Tj initial=25 °C
ITM(A)
1.E+01
10.0
ITSM
1.E+00
Tj=125 °C
Tj=25 °C
1.0
0.1
0.01
0.10
tP(ms)
1.00
I²t
10.00
1.E-01
VTM(V)
TJ max. :
VTO= 0.90 V
RD= 250 mW
1.E-02
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Figure 13.
Thermal resistance junction to
ambient versus copper surface
under tab (printed circuit board
FR4, eCU = 35 µm) (DPAK)
Rth(j-a)(°C/W)
100
90
DPAK
80
70
60
50
40
30
20
10
0
0
SCU(cm²)
5
10
15
20
25
30
35
40
Figure 14. Relative variation of clamping
voltage VCL versus junction
temperature
VCL [Tj] / VCL [Tj=25 °C]
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
-40 -20
0
20
Tj(°C)
40
60
80 100 120 140
5/11
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