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A1780

Part Number	A1780
Manufacturer	Alpha Microelectronics
Description	Dimmer IC
Published	Jan 30, 2009
Detailed Description	www.DataSheet4U.com a1780 general features The a1780 is a dimmer IC for halogen lamps. It uses an integrated time contr...
Datasheet	A1780 PDF File

Overview

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 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...

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