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参数资料
| 型号： | ACST8 |
| 厂商： | 意法半导体 |
| 英文描述： | OVER VOLTAGE PROTECTED AC POWER SWITCH |
| 中文描述： | 过压保护AC电源开关 |
| 文件页数： | 3/10页 |
| 文件大小： | 126K |
| 代理商： | ACST8 |
ACST8
3/10
Table 6: Electrical Characteristics per Switch
For either positive or negative polary of pin OUT voltage respect to pin COM voltage
1. AC LINE SWITCH BASIC APPLICATION
The ACST8-8C device is especially designed to drive medium power induction motors in washing ma-
chines, refrigerators, dish washers, and tumble dryers.
Pin COM
Pin G
Pin OUT
: Common drive reference, to be connected to the power line neutral
: Switch Gate input to be connected to the controller
: Switch Output to be connected to the load
When driven from a low voltage controller, the ACST switch is triggered with a negative gate current flow-
ing out of the gate pin G. It can be driven by the controller through a resistor as shown on the typical appli-
cation diagram. In appliance systems, the ACST8-8C switch intends to drive medium power load in ON /
OFF full cycle or phase angle control mode.
Thanks to its thermal and turn-off commutation characteristics, the ACST8-8C switch is able to drive an
inductive load up to 8A without a turn-off aid snubber circuit.
In washing machine or drier appliances, the tumble rotates in both directions. When using bidirectional
phase shift induction motor, two switches are connected on each side of the phase shift capacitor: in
steady-state operation, one switch only conducts energising the coils and defining the tumble direction.
Symbol
V
DRM
/
V
RRM
I
GT
V
GT
V
GD
I
H
I
L
V
TM
V
T0
R
d
Test conditions
Values
Unit
Repetitive peak off-state voltage
MAX.
800
V
V
OUT
= 12V (DC) R
L
= 33
V
OUT
= 12V (DC) R
L
= 33
V
OUT
= V
DRM
I
OUT
= 100mA
I
G
= 20mA
I
OUT
= 11A
T
j
= 25°C
T
j
= 25°C
T
j
= 125°C
T
j
= 25°C
T
j
= 25°C
T
j
= 25°C
T
j
= 125°C
T
j
= 125°C
T
j
= 25°C
T
j
= 125°C
T
j
= 125°C
T
j
= 125°C
T
j
= 25°C
MAX.
MAX.
MIN.
MAX.
MAX.
MAX.
MAX.
MAX.
MAX.
MAX.
MIN.
MIN.
TYP.
30
1.5
0.2
40
70
1.5
0.95
50
10
1
750
4.5
1200
mA
V
V
mA
mA
V
V
m
μA
mA
V/μs
A/ms
V
R
L
= 3.3k
Gate open
t
p
= 380μs
I
DRM
/
I
RRM
V
OUT
= V
DRM
V
OUT
= V
RRM
dV/dt
(dI/dt)c
V
CL
V
OUT
= 550V
Without snubber
I
CL
= 1mA
gate open
t
p
= 1ms
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