Description
The LS7538 and LS7539 are CMOS integrated circuits which provide trigger pulses for triac phase control of incandescent lamps. The circuits are designed to from LSI COMPUTER SYSTEMS, INC. LS7237. See Data Sheet. Figure 5. SEQUENTIAL STEP DIMMER or. LS7538 /LS7539. See AN703. INITIAL CONDITION. 240K . +V. -V. GND. G. MT1. MT2. 51 . D1 = 1N4004. Z1 = 8.2V, 1/2W. FIGURE 1. A Touch Wall Switch Lamp Dimmer Using the LS7538 , LS7539 IC. LS7538 . The basic technique may also be used with a mod- ified schematic for LS7538 - LS7539 and LS7631-. LS7632. The information included herein is believed to be.
Part Number | LS7538 |
Brand | STMicroelectronics |
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Hot Offer
LS7538
STMicroelectronics
12000
3.78
IC Direct Technology Limited
LS7538
STMicroel
110755
0.22
Cicotex Electronics (HK) Limited
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Bonase Electronics (HK) Co., Limited
LS7538
ST/MICRON
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Cicotex Electronics (HK) Limited
LS7538
ST
1200
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Bonase Electronics (HK) Co., Limited