Features: · Operating voltage: 4~10V· High noise immunity CMOS technology· High sensitivity and stability· Polarity insensitive with AC line· Minimal external components required· Loading range of sense input from 0 to 1000pf· 50/60 Hz selectable· HT7704A: 3 steps controlHT7704B: 4 steps controlHT...
HT7704: Features: · Operating voltage: 4~10V· High noise immunity CMOS technology· High sensitivity and stability· Polarity insensitive with AC line· Minimal external components required· Loading range of s...
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The HT7704 series are CMOS LSIs in 8-lead DIP package. They are designed to control the brightness of an incandescent lamp by changing the triggering angles of the TRIAC with touch sense input.
HT7704 is a selectable 3-step, 4-step or on/off switch function dimmer. High sensitivity and stability account for its eminent performance.
The sense input can sustain very heavy capacitive loading and propagate sense through a highly resistive line. In addition, the application circuit HT7704 is very simple.