com
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 status 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
example application schematic
A typical application...