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LS7541 Datasheet(PDF) 5 Page - LSI Computer Systems

Part No. LS7541
Description  TOUCH CONTROL STEP DIMMER LIGHT SWITCH WITH AUTOMATIC GAIN CONTROL (AGC)
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Maker  LSI [LSI Computer Systems]
Homepage  http://www.lsicsi.com
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LS7541 Datasheet(HTML) 5 Page - LSI Computer Systems

   
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The Figure 5 Application Schematic functions identically to that shown in Figure 4 with one less component.
Referencing Triac T1 to the +V power supply of the IC eliminates the need to AC couple the TRIAC pulse
to the Triac Gate thereby eliminating component C5.
7541-051106-5
AC
MAINS
LOAD
R1
R3
R4
C1
D1
FIGURE 5. TOUCH LAMP APPLICATION SCHEMATIC
C3
C4
D2
8
7
6
5
V SS MODE
CONT
CLOCK
SYNC V DD TOUCH
D3
R2
TOUCH PLATE
(LAMP BODY)
C2
T1
G
MT2
MT1
Z1
R5
+
-
+V
-V
LS7541
C6
+
-
C7*
(SEE NOTE 2)
R6
1
2
3
4
SEE
NOTE1
TRIG


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