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 microcontroller
– 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.