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ACST1235-7GTR Datasheet(PDF) 1 Page - STMicroelectronics |
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ACST1235-7GTR Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 13 page December 2010 Doc ID 15238 Rev 4 1/13 13 ACST12 Overvoltage protected AC switch Features ■ Triac with overvoltage crowbar technology ■ Low IGT (<10 mA) or high immunity (IGT<35 mA) version ■ High noise immunity: static dV/dt > 2000 V/µs Benefits ■ Enables equipment to meet IEC 61000-4-5 ■ High off-state reliability with planar technology ■ Need no external over voltage protection ■ Reduces the power passive component count ■ High immunity against fast transients described in IEC 61000-4-4 standards Applications ■ AC mains static switching in appliance and industrial control systems ■ Drive of medium power AC loads such as: – Universal motor of washing machine drum – Compressor for fridge or air conditioner Description The ACST12 series belongs to the ACS™/ACST power switch family built with A.S.D.® (application specific discrete) technology. This high performance device is suited to home appliances or industrial systems and drives loads up to 12 A. This ACST12 switch embeds a Triac structure and a high voltage clamping device able to absorb the inductive turn-off energy and withstand line transients such as those described in the IEC 61000-4-5 standard. The ACST1210-7 needs a low gate current to be activated (IGT < 10 mA) and still provides a high electrical noise immunity complying with the IEC 61000-4-4 standard. The ACST1235-7 offers an extremely high static dV/dt immunity of 2 kV/µs minimum. Figure 1. Functional diagram TM: ACS is a trademark of STMicroelectronics ®: A.S.D. is a registered trademark of STMicroelectronics Table 1. Device summary Symbol Value Unit IT(RMS) 12 A VDRM/VRRM 700 V IGT 10 or 35 mA TO-220AB ACST1210-7T ACST1235-7T COM OUT OUT G D2PAK ACST1210-7G ACST1235-7G G OUT COM G COM OUT www.st.com |
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