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ACST28S Datasheet(PDF) 1 Page - STMicroelectronics |
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ACST28S Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 11 page  March 2007 Rev 1 1/11 11 ACST2 Series AC Switch family Alternating current switch Main features ■ Overvoltage crowbar technology ■ High noise immunity: static dV/dt > 500 V/µs The ACST2-8SFP in the TO-220FPAB package provides insulation voltage rated at 1500VRMS Main application ■ AC ON/OFF static switching in appliances & industrial control systems ■ Drive of low power highly resistive or inductive loads like: – solenoid, – pump, fan, micro-motor Description The ACST2 series belongs to the AC power switch family built around the ASD technology. This high performance device is adapted 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 in the mean time provides a high electrical noise immunity such as those described in the IEC 61000-4-4 standards. 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 Order code Functional diagram Symbol Value Unit IT(RMS) 2A VDRM/VRRM 800 V IGT 10 mA Part number Marking ACST2-8SFP ACST28S ACST2-8SB ACST28S COM COM OUT OUT G G TO-220FPAB ACST2-8SFP DPAK ACST2-8SB OUT G COM OUT G COM www.st.com |
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