A1780 Alpha Microelectronics, A1780 Datasheet

A1780

Manufacturer Part Number

A1780

Description

Dimmer IC

Manufacturer

Alpha Microelectronics

Datasheet

1.A1780.pdf (2 pages)

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Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

A1780

Manufacturer:

SANYO

Quantity:

5 000

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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.

a1780 general features

example application schematic

 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

A typical application schematic for a 350W load.

Related parts for A1780

A1780 Summary of contents

Page 1

... 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%  ...

Page 2

DC characteristics contain the spread of values guarantee within the specified supply voltage and temperature range and the technology process parameter range unless otherwise specified 25°C for typical values a # Symbol Parameter 1 I ...

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