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HT7712B - Touch Dimmer

Download the HT7712B datasheet PDF. This datasheet also covers the HT7713B variant, as both devices belong to the same touch dimmer family and are provided as variant models within a single manufacturer datasheet.

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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (HT7713B_HoltekSemiconductor.pdf) that lists specifications for multiple related part numbers.

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.

View original datasheet text
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.