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LS7234 Datasheet(PDF) 8 Page - LSI Computer Systems |
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LS7234 Datasheet(HTML) 8 Page - LSI Computer Systems |
8 / 8 page 115VAC OR 220VAC C1 T1 L C2 R1 R2 R3 C5 D1 1 2 3 4 8 7 6 5 C3 C4 TRIG V DD EXT SENS V SS DOZE CAP SYNC + LS7231-4 G MT2 MT1 Z1 - R4 OUT TO LAMP AC ON-OFF SWITCH PUSHBUTTON SWITCH FIGURE 8. A SWITCH-OPERATED LAMP DIMMER (SEE NOTE ) NOTE: Operation is independent of Line Plug Polarity C1 = 0.15µF, 200V C1 = 0.15µF, 400V C2 = 0.22µF, 200V C2 = 0.1µF, 400V C3 = 0.047µF, 25V C3 = 0.047µF, 25V C4 = 470pF, 25V C4 = 470pF, 25V C5 = 47µF, 25V C5 = 47µF, 25V R1 = 270 Ω, 1/4W R1 = 1K Ω, 1/4W R2 = 1.5M Ω, 1/4W R2 = 1.5M Ω, 1/4W R3 = 100 Ω, 1/4W R3 = 100 Ω, 1/4W R4 = 1M Ω, 1/4W R4 = 1M Ω, 1/4W D1 = IN4148 D1 = IN4148 Z1 = 15V, 1W (Zener) Z1 = 15V, 1W (Zener) T1 = Q4008L4 (Typical) T1 = Q5004L4 (Typical) L = 100µH (RFI Filter) L = 200µH (RFI Filter) 115V 220V 7231-4-032995-8 APPLICATIONS: 1. Foot-Switch Dimmer for large floor lamps. 2. Hand-Switch Dimmer for end-table lamps. The information included herein is believed to be accurate and reliable. However, LSI Computer Systems, Inc. assumes no responsibilities for inaccuracies, nor for any infringements of patent rights of others which may result from its use. |
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