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