LS7231-7234 datasheet(6/8 Pages) LSI | TOUCH CONTROL LAMP DIMMER

6 page

C1 = 0.15µF,200V

R4 = 1M

Ω to 5MΩ,1/4W

C2 = 0.33µF,200V

(Select for sensitivity)

C3 = 0.047µF,25V

R5, R6 = 2.7M

Ω,1/4W

C4 = 470pF,25V

R7 = 150K

Ω,1/4W

C5 = 47µF,25V

R8 = 100

Ω,1/4W

C6 = 680pF,25V

D1 = IN4148

C7 = 0.1µF,25V

Z = 15V,1W (Zener)

R1 = 270

Ω,1W

T = Q4006L4 Triac (Typical)

R2 = 1.5M

Ω,1/4W

L = 100µH (RFI Filter)

R3 = 1.5M

Ω,1/4W

(1) For Connection A. Use 0.22µF for Connection B.

(2) For Connection A. Use 1/4W for Connection B.

C1 = 0.15µF, 400V

R4 = 1M

Ω to 5MΩ,1/4W

C2 = 0.22µF, 400V

(Select for sensitivity)

C3 = 0.047µF, 25V

R5, R6 = 4.7M

Ω,1/4W

C4 = 470pF, 25V

R7 = 150K

Ω,1/4W

C5 = 47µF, 25V

R8 = 100

Ω,1/4W

C6 = 680pF,25V

D1 = 1N4148

C7 = 0.1µF, 25V

Z = 15V,1W (Zener)

R1 = 1K

Ω, 2W

T = Q5004L4 Triac (Typical)

R2 = 1.5M

Ω,1/4W

L = 200µH (RFI Filter)

R3 = 1.5M

Ω,1/4W

(3) For Connection A. Use 0.1µF for Connection B.

(4) For Connection A. Use 1/4W for Connection B.

115VAC

220VAC

LOAD

TRIG

V DD EXT SENS

V SS DOZE CAP SYNC

SEE NOTE 4

LS7231-4

DOZE

CIRCUIT

(FIG. 7)

V SS

SENS

V DD

SEE NOTE 3

FIGURE 5. A Typical Lamp Dimmer

ELECTRONIC

EXTENSION

(FIG. 6)

EXTN

SEE NOTE 5

SEE NOTE 2

NOTES 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.

TOUCH

PLATE

MT2

MT1

(1)

115V

220V

7231-4-041597-6

(2)

(3)

(4)

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