a1780 general features
The a1780 is a dimmer IC for halogen lamps. It uses an integrated time controller to control a wide range of DMOS switches, and includes protection circuits against overcurrent, over-voltage and over-temperature. A LED gives a visual indication of the output tatus at all times.
❐ Dimming range: between 10% and 95%
❐ Flexible soft start function (hot and cold – soft start)
❐ Zero-crossing detection
❐ Protection function for over-current, over-voltage and over-temperature
❐ LED status indication for protection function
❐ Ambient temperature range 0°C to 70°C
❐ Package: Die-in-waffle-pack or SOP14