LS7231 Просмотр технического описания (PDF) - LSI Computer Systems
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LS7231 Datasheet PDF : 8 Pages
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P
115VAC
OR
C1
220VAC
LOAD
N
FIGURE 5. A Typical Lamp Dimmer
P
SEE NOTE 2
G
MT1
MT2 T
R8
+
C5
Z
-
C7
R7
R3
SEE NOTE 5
EXTN
ELECTRONIC
EXTENSION
(FIG. 6)
L
D1
C2
87
6
5
TRIG V DD EXT S E N S
R6
R5 TOUCH
PLATE
LS7231-4
R1
R2
V SS D O Z E CAP SYNC
1 23
4
A
SEE NOTE 3
B
C3 C4
SEE NOTE 4
C6 R4
V DD
SENS
DZ
DOZE
CIRCUIT
(FIG. 7)
V SS
N O T E S 1) All circuits connected by broken lines are optional.
2) C7 is used only with electronic extension and R7 is used only with mechanical switch.
3) Connection between Pin 1 & Pin 2 should be broken when DOZE circuit is used.
4) Use Connection A when Neutral is not available. Use Connection B when Neutral is available.
5) Connection between Pin 6 & Pin 7 should be broken when EXT is used.
115V
C1 = 0.15µF,200V
(1) C2 = 0.33µF,200V
C3 = 0.047µF,25V
C4 = 470pF,25V
C5 = 47µF,25V
C6 = 680pF,25V
C7 = 0.1µF,25V
(2) R1 = 270Ω,1W
R2 = 1.5MΩ,1/4W
R3 = 1.5MΩ,1/4W
R4 = 1MΩ to 5MΩ,1/4W
(Select for sensitivity)
R5, R6 = 2.7MΩ,1/4W
R7 = 150KΩ,1/4W
R8 = 100Ω,1/4W
D1 = IN4148
Z = 15V,1W (Zener)
T = Q4006L4 Triac (Typical)
L = 100µH (RFI Filter)
(1) For Connection A. Use 0.22µF for Connection B.
(2) For Connection A. Use 1/4W for Connection B.
7231-4-041597-6
220V
C1 = 0.15µF, 400V
R4 = 1MΩ to 5MΩ,1/4W
(3) C2 = 0.22µF, 400V
(Select for sensitivity)
C3 = 0.047µF, 25V
R5, R6 = 4.7MΩ,1/4W
C4 = 470pF, 25V
R7 = 150KΩ,1/4W
C5 = 47µF, 25V
R8 = 100Ω,1/4W
C6 = 680pF,25V
D1 = 1N4148
C7 = 0.1µF, 25V
Z = 15V,1W (Zener)
(4) R1 = 1KΩ, 2W
R2 = 1.5MΩ,1/4W
T = Q5004L4 Triac (Typical)
L = 200µH (RFI Filter)
R3 = 1.5MΩ,1/4W
(3) For Connection A. Use 0.1µF for Connection B.
(4) For Connection A. Use 1/4W for Connection B.
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