(PDF) A1780 Datasheet

Número de pieza	A1780
Descripción	Dimmer IC
Fabricantes	Alpha Microelectronics
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No Preview Available ! www.DataSheet4U.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 over- current, 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 schematic for a 350W load. 1 page

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PDF A1780 Data sheet ( Hoja de datos )