FIGURE 5B. TYPICAL LS7535 DIMMER LIGHT SWITCH
P
G
MT1
R4
C6
SEE NOTE 3
R3
DOWN
+
T
Z
D1
C7.
C5
D2
DOWN
UP
MT2
-
115VAC
OR
220VAC
C1
L
8
C2
TRIG
7
6
5
UP
V
DD
DOWN
LS7535
V
DD
UP
DOZE
CIRCUIT
FIG. 6B
R1
R2
A
V
SS
DOZE CAP SYNC
1
2
3
4
C3
C4
SEE NOTE 1
B
LOAD
N
SEE NOTE 2
DZ
V
SS
NOTES:
1) When DOZE circuit is used, break Pin 1 to Pin 2 connection.
2) Use Connection A when Neutral is not available. Use Connection B when Neutral is available .
3) C6 and C7 may be required in some PCB layouts to eliminate coupling from triac circuitry.
115VAC
C1 = 0.15µF, 200V
C2 = See C2 Value Table
C3 = 0.047µF, 25V
C4 = 470pF, 25V
C5 = 47µF, 25V
C6, C7 = 0.001µF, 25V
(1)
R1 = 270Ω, 1W
R2 = 1.5MΩ, 1/4W
R3 = 27kΩ, 1/4W
R4 = See R4 Value Table
D1, D2 = IN4148
Z = 15V, 1W (Zener)
T = Q4004L4 Triac (Typical)
L = 100µH (RFI Filter)
(1)
For Connection A. Use 1/4W for Connection B.
C2 VALUE TABLE
C2 = 0.33µF, 200V, Connection A
C2 = 0.22µF, 200V, Connection B
R4 VALUE TABLE
R4 = 100Ω, 1/4W, 25mA Triac Gate
R4 = 50Ω, 1/4W, 50mA Triac Gate
220VAC
C1 = 0.15µF, 400V
C2 = See C2 Value Table
C3 = 0.047µF, 25V
C4 = 470pF, 25V
C5 = 47µF, 25V
C6, C7 = 0.001µF, 25V
(2)
R1 = 1kΩ, 2W
R2 = 1.5MΩ, 1/4W
R3 = 27kΩ, 1/4W
R4 = See R4 Value Table
D1, D2 = IN4148
Z = 15V, 1W (Zener)
T = Q5004L4 Triac (Typical)
L = 200µH (RFI Filter)
(2) For Connection A. Use 1/4 W for Connection B.
C2 VALUE TABLE
C2 = 0.22µF, 400V, Connection A
C2 = 0.10µF, 400V, Connection B
R4 VALUE TABLE
R4 = 100Ω, 1/4W, 25mA Triac Gate
R4 = 50Ω, 1/4W, 50mA Triac Gate
7535-012703-7
LSI [ LSI COMPUTER SYSTEMS ]
