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M54123LK-D08-T Datasheet(PDF) 7 Page - Unisonic Technologies |
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M54123LK-D08-T Datasheet(HTML) 7 Page - Unisonic Technologies |
7 / 9 page M54123L LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 7 of 9 www.unisonic.com.tw QW-R122-001,D TYPICAL APPLICATION CIRCUIT High-Speed Leakage Circuit Breaker With UTC M54123L UTC M54123L Trip Coil VS GND AC Line ZCT SCR (Note) CR2AM CR03AM CRO2AM Note: Gate current must be selected. Please select voltage resistance by AC supply voltage R2 RL 1 2 4 5 6 7 3 8 RP=100Ω C6 C4 AC Line C1 C2 C3 C5 R1 { Note: The value of R1, R2, C4, and C5 should be chosen in order to keep at least 12V in Vs. Please connect C4 (>1μF) and C2 (<1μF). ZCT and load resistance RL of ZCT are connected between input pin 1 and 2. Protective resistance (RP=100Ω) must be insurted. RL and amplifier’s output (in Pin 4) regulates sensitivity current External capacitor C1 between pin 4 and GND is used for noise removal. Please connect a varistor or a diode (2 pcs.) to ZCT in parallel, because of when large current is grounded in the primary side (AC line) of ZCT, the following situation can be abandoned: The wave form in the secondary side of ZCT is distorted and some signals do not appear in the output of amplifier. Please connect capacitor (about 0.047μF) between pin 6 and pin 7. Capacitor C6 between pin 1 and GND is about 0.047μF for removing noise. 170 30 7 5 3 1 100 50 Operating Time vs. Input Voltage Input Voltage, V1 (mVrms) 10 300 500 1000 3 5 70 30 7 100 50 10 300 500 1000 700 C1=0.047µF Ta=25°C 60Hz |
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Similar Description - M54123LK-D08-T |
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