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S a t generates controlled triac triggering pulses and allows tachless speed stabilization of universal motors The ILA1185A a by an integrated positive feedback function. Typical applications are power hand tools, vacuum cleaners, mixers, light .D dimmer and other small appliances. w •w Supply Power Obtained from AC Line • Can be used with 220 V/50 Hz or 110 V/60 Hz w• Low Count/Cost External Components Pin Connection
• Optimum Triac Firing (2nd and 3rd Quadrants) • Repetitive Trigger Pulses when Triac Current is Interrupted by Motor Brush Bounce • Triac Current Sensing to Allow Inductive Loads • Programmable Soft-Start • Power Failure Detection and General Circuit Reset • Low Power Consumption; 6.0 mA
VEE Gate trigger NC Ramp Generator NC
TRIAC PHASE h ANGLE CONTROLLER
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