Dimmers Offer Control Options

Via manual or uC interface control, the LS7642 and LS7642FO dimmers accept analog voltage at the control input to determine phase angle of the triac trigger pulse. The LS7642 powers up in the off state and the LS7642FO powers up in the on state to the illumination set by the control voltage. Shared features include support for high- and low-voltage lighting and compatibility with magnetic and electronic transformers. Price is $0.34 each/10,000. LSI Computer Systems Inc., Melville, NY. (631) 271-0400.