LS7541 Datasheet (LSI) - TOUCH CONTROL STEP DIMMER LIGHT SWITCH

LS7541, TOUCH CONTROL STEP DIMMER LIGHT SWITCH

The LS7541 is a CMOS integrated circuit which provides trigger pulses for triac phase control of incandescent lamps.

The circuits are designed to operate with a wide variety of lamp sizes ranging from small table lamps to large floor lamps.

The AGC Loop automatically adjusts Touch Sensitivity to be

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1235 Walt Whitman Road, Melville, NY 11747 Touch Sensitivity guaranteed to 600pF Touch Plate Capacitance.

Touch Operation independent of line plug polarity.

Pin selection of three available Brightness Step Sequences.

Minimal external components.

AGC Loop stabilizes immediately after Power-Up.

Brightness state is Off after AC power applied.

Brightness state is unchanged if AC power interrupted for < 0.5 sec.

Advanced CMOS design for reliable

LS7541 Features

* PIN ASSIGNMENT TOP VIEW LSI CLOCK 1 8 TRIG SYNC 2 7 V SS (-V ) LS7541 V DD (+V ) 3 6 MODE APPLICATIONS:

* Screw-in and built-in adapter modules for converting table a