• Part: LS7538
  • Manufacturer: LSI Computer Systems
  • Size: 26.57 KB
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LS7538 Description

The LS7538 and LS7539 are CMOS integrated circuits which provide 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 independent of lamp size.

LS7538 Key Features

  • See Figure 1 PIN ASSIGNMENT TOP VIEW

LS7538 Applications

  • Screw-in and built-in adapter modules for converting table and floor lamps to touch control for step dimming