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HT7704 Scheda tecnica(PDF) 2 Page - Holtek Semiconductor Inc

Il numero della parte HT7704
Spiegazioni elettronici  Touch Dimmer
PDF  7 Pages
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Produttore elettronici  HOLTEK [Holtek Semiconductor Inc]
Homepage  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT7704 Scheda tecnica(HTML) 2 Page - Holtek Semiconductor Inc

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Block Diagram
Pad Coordinates
Unit:
µm
Pad No.
X
Y
Pad No.
X
Y
1
–563.75
373
7
604.75
–122
2
–557.25
166
8
594.25
230.5
3
–563.75
–91
9
595.25
544.5
4
–198.25
–544
10
–308.25
573.5
5
171.25
–544
11
–641.75
573.5
6
604.75
–297
Pin Description
Pin No.
Pin Name
I/O
Internal
Connection
Description
1
OSC
I
∗
Oscillator input
2
ZC
I
CMOS
Line frequency 50Hz or 60Hz input for zero crossing
3
VDD
I
—
Power supply (positive)
4
SENSE
I
∗
Touch sense input
5FB
I
∗
Feedback signal to control the sink current of the
SENSE pin.
6
FSEL
I
CMOS
For 50Hz or 60Hz AC signal selection input
It is connected to VSS when the AC line is 50Hz.
However, when the AC line is 60Hz, it is connected to
VDD. Refer to the application circuit for connection
details.
7
VSS
I
—
Power supply (negative)
8
TRIG1
O
CMOS
Trigger output to drive the TRIAC
Low pulse output with a capacitor and resistors for
applications
HT7704
2
27th Dec ’96



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