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HT7713B - Touch Dimmer

General Description

The HT7712B/HT7713B is a CMOS fabricated LSI chip in an 8-lead DIP package.

It is designed to control the brightness of lamps by changing the firing angles of the TRIAC through a touch sensitive input.

The chip can be used either as a 3-step or a switch function dimmer.

Key Features

  • High noise immunity CMOS technology Operating voltage: 10V Line frequency: 60Hz or 50Hz. High sensitivity and stability.
  • Polarity insensitive with AC line Loading range of sense input from 0 to 1200pf Minimum peripheral components General.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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HT7712B/HT7713B Touch Dimmer Features • • • • High noise immunity CMOS technology Operating voltage: 10V Line frequency: 60Hz or 50Hz. High sensitivity and stability • • • Polarity insensitive with AC line Loading range of sense input from 0 to 1200pf Minimum peripheral components General Description The HT7712B/HT7713B is a CMOS fabricated LSI chip in an 8-lead DIP package. It is designed to control the brightness of lamps by changing the firing angles of the TRIAC through a touch sensitive input. The chip can be used either as a 3-step or a switch function dimmer. The high sensitivity and stability of the HT7712B/HT7713B ensure its high performance. The touch sensitive input can sustain very heavy capacitive loading and propagate sense through a highly resistive line.