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ATS137-PL-B Datasheet(PDF) 5 Page - Anachip Corp |
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ATS137-PL-B Datasheet(HTML) 5 Page - Anachip Corp |
5 / 7 page Single Hall Effect Switch ATS137 Anachip Corp. www.anachip.com.tw Rev. A5 Jul 14, 2004 5/7 ATC Application Information (Continued) Vo will turn on(low) if the S magnetic flux larger than operation point (Bop), and turns off whenever the magnetic flux is removed and lower than release point (Brp). The related waveforms are shown in Fig.3. Bop Brp Vce(sat) Vcc Vo magnetic flux (mT) t t S Hall Effect switch Marking side Fig.3 Vo and magnetic flux variety The major applications are for contactless switching and shown as follows: - VCD/DVD loader, CD/DVD ROM: Detect if the tray is opened or closed - Cover detector (open/close): Cellular phone cover detector, Refrigerator door detector, Microwave oven door sensor… etc - Home safety: instead of reed relay to detect the situation of door/window. - Due to contactless and without mechanical contact point, its reliability and life cycle are much longer than reed relay. In addition, its switching speed is much faster than mechanical devices. |
Similar Part No. - ATS137-PL-B |
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