Overvoltage protected AC switch
ACS120
Overvoltage protected AC switch (ACS)
COM
OUT G
DPAK
COM
G
TO-220FPAB OUT COM
G COM OUT
TO-220AB
Features
...
Description
ACS120
Overvoltage protected AC switch (ACS)
COM
OUT G
DPAK
COM
G
TO-220FPAB OUT COM
G COM OUT
TO-220AB
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
Datasheet - production data
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
OUT
G
COM
OUT G
COM
Common drive reference to connect to the mains Output to connect to the load. Gate input to connect to the controller through gate resistor
March 2022
This is informa...
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