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ACS120 Datasheet(PDF) 1 Page - STMicroelectronics

Part # ACS120
Description  Overvoltage protected AC switch (ACS)
PDF  17 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ACS120 Datasheet(HTML) 1 Page - STMicroelectronics

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This is information on a product in full production.
March 2022
DS3279 Rev 5
1/17
ACS120
Overvoltage protected AC switch (ACS)
Datasheet
- production data
Features
 Blocking voltage: VDRM / VRRM = +/- 700 V
 Avalanche controlled: VCL typ. = 1100 V
 Nominal conducting current: IT(RMS) = 2 A
 Gate triggering current: IGT < 10 mA
 High noise immunity: static dV/dt > 500 V/µs
– Needs no more external protection snubber
or varistor
– Enables equipment to meet IEC 61000-4-5
– Reduces component count up to 80%
– Interfaces directly with the micro controller
– Eliminates any gate kick back on the micro-
controller
– Allows straightforward connection of
several AC switches on same cooling pad
Applications
 AC static switching in appliance control
systems
 Drive of low power high inductive or resistive
loads like:
– Relay, valve, solenoid, dispenser
– Pump, fan, micro-motor
– Defrost heater
Description
The ACS120 belongs to the AC line switch family.
This high-performance switch circuit is able to
control a load of up to 2 A.
The ACS switch embeds a high-voltage clamping
structure to absorb the inductive turn-off energy
and a gate level shifter driver to separate the
digital controller from the main switch. It is
triggered with a negative gate current flowing out
of the gate pin.
Figure 1. Functional diagram
DPAK
TO-220FPAB
TO-220AB
OUT
G
COM
OUT
G
COM
OUT
G
COM
COM
OUT
COM
G
COM
Common drive reference to connect
to the mains
OUT
Output to connect to the load.
G
Gate input to connect to the controller
through gate resistor
www.st.com


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