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PDF ACST2 Data sheet ( Hoja de datos )
| Número de pieza | ACST2 | |
| Descripción | Overvoltage protected AC switch | |
| Fabricantes | STMicroelectronics | |
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ACST2
Overvoltage protected AC switch
OUT
COM
G
D PA K
TO -220FPA B
G
OUT
COM
Features
Triac with overvoltage crowbar technology
High noise immunity: static dV/dt > 500 V/µs
ACST210-8FP, in the TO-220FPAB package,
provides insulation voltage rated at 1500 V rms
Benefits
Enables equipment to meet IEC 61000-4-5
High off-state reliability with planar technology
Needs no external overvoltage protection
Reduces component count
Interfaces directly with the micro-controller
High immunity against fast transients
described in IEC 61000-4-4 standards
Applications
AC on/off static switching in appliances and
industrial control systems
Driving low power highly inductive loads like
solenoid, pump, fan, and micro-motor
Datasheet - production data
Description
The ACST2 series belongs to the ACS™/ACST
power switch family. This high performance
device is suited to home appliances or industrial
systems and drives loads up to 2 A.
This ACST2 switch embeds a Triac structure with
a high voltage clamping device to absorb the
inductive turn-off energy and withstand line
transients such as those described in the
IEC 61000-4-5 standards. The component needs
a low gate current to be activated (IGT < 10 mA)
and still shows a high electrical noise immunity
complying with IEC standards such as
IEC 61000-4-4 (fast transient burst test).
Figure 1. Functional diagram
OUT
G
COM
Table 1. Device summary
Symbol
Value
Unit
IT(RMS)
VDRM/VRRM
IGT
2
800
10
A
V
mA
TM: ACS is a trademark of STMicroelectronics
May 2014
This is information on a product in full production.
DocID13304 Rev 4
1/13
www.st.com
1 page  
ACST2
Characteristics
Figure 10. Relative variation of critical rate of
decrease of main current versus 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
Figure 11. Surge peak on-state current versus
number of cycles
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 12. Non repetitive surge peak on-state
current and corresponding value of I²t
ITSM(A), I²t (A²s)
100.0
Tj initial=25 °C
10.0
ITSM
Figure 13. On-state characteristics
(maximum values)
1.E+01 ITM(A)
1.E+00
Tj=125 °C
Tj=25 °C
1.0
sinusoidal pulse
with width tP < 10 ms
0.1
0.01 0.10
tP(ms)
1.00
I²t
10.00
1.E-01
1.E-02
VTM(V)
TJ max. :
VTO= 0.90 V
RD= 250 mΩ
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Figure 14. Thermal resistance junction to
ambient versus copper surface under tab DPAK
R th(j-a)(°C /W )
100
90
80
70
60
50
40
30
20
10
0
0 5 10
Printed circuitboard FR 4,
copperthickness = 35 µm
15 20 25 30
DPAK
SCU(cm ²)
35 40
Figure 15. 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
Tj(°C)
-40 -20 0 20 40 60 80 100 120 140
DocID13304 Rev 4
5/13
13
5 Page 
ACST2
Package information
Table 7. DPAK dimension values
Dimensions
Ref. Millimeters
Inches
Min.
A 2.18
A1 0.90
A2 0.03
b 0.64
b4 4.95
c 0.46
c2 0.46
D 5.97
D1 5.10
E 6.35
E1
e1 4.40
H 9.35
L 1.00
L2
L4 0.60
V2 0°
Typ.
4.32
Max.
2.40
1.10
0.23
0.90
5.46
0.61
0.60
6.22
6.73
4.70
10.40
1.78
1.27
1.02
8°
Min.
0.086
0.035
0.001
0.025
0.195
0.018
0.018
0.235
0.201
0.250
0.173
0.368
0.039
0.023
0°
Typ.
0.170
Figure 21. Footprint (dimensions in mm)
Max.
0.094
0.043
0.009
0.035
0.215
0.024
0.023
0.244
0.264
0.185
0.409
0.070
0.05
0.040
8°
6.7 3.0 3.0
A
6.7 5.094
B
The device must be positioned within
1.6
0.05 A B
DocID13304 Rev 4
11/13
13
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet ACST2.PDF ] | |
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