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ACST8-8C Datasheet(PDF) 3 Page - STMicroelectronics |
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ACST8-8C Datasheet(HTML) 3 Page - STMicroelectronics |
3 / 8 page ACST8-8C 3/8 Symbol Test conditions Values Unit IGT VOUT = 12V (DC) RL =33 Ω Tj = 25°C MAX. 30 mA VGT VOUT = 12V (DC) RL =33 Ω Tj = 25°C MAX. 1.5 V VGD VOUT =VDRM RL = 3.3k Ω Tj =125°C MIN. 0.2 V IH IOUT = 100mA Gate open Tj = 25°C MAX. 40 mA IL IG = 20mA Tj = 25°C MAX. 70 mA VTM IOUT = 11A tp = 380µs Tj = 25°C MAX. 1.5 V VTO Tj = 125°C MAX. 0.95 V RD Tj = 125°C MAX. 50 m Ω IDRM IRRM VOUT =VDRM VOUT =VRRM Tj = 25°C MAX. 10 µA Tj = 125°C MAX. 1 mA dV/dt VOUT = 550V gate open Tj = 125°C MIN. 750 V/ µs (dI/dt)c Without snubber Tj = 125°C MIN. 4.5 A/ms VCL ICL = 1mA tp = 1ms Tj = 25°C TYP. 1200 V ELECTRICAL CHARACTERISTICS PER SWITCH For either positive or negative polary of pin OUT voltage respect to pin COM voltage The ACST8-8C device is especially designed to drive medium power induction motors in washing ma- chines, refrigerators, dish washers, and tumble dryers. Pin COM : Common drive reference, to be connected to the power line neutral Pin G : Switch Gate input to be connected to the controller Pin OUT : Switch Output to be connected to the load When driven from a low voltage controller, the ACST switch is triggered with a negative gate current flow- ing out of the gate pin G. It can be driven by the controller through a resistor as shown on the typical appli- cation diagram. In appliance systems, the ACST8-8C switch intends to drive medium power load in ON / OFF full cycle or phase angle control mode. Thanks to its thermal and turn-off commutation characteristics, the ACST8-8C switch is able to drive an inductive load up to 8A without a turn-off aid snubber circuit. In washing machine or drier appliances, the tumble rotates in both directions. When using bidirectional phase shift induction motor, two switches are connected on each side of the phase shift capacitor: in steady-state operation, one switch only conducts energising the coils and defining the tumble direction. AC LINE SWITCH BASIC APPLICATION |
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