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LB11852RV Scheda tecnica(PDF) 8 Page - ON Semiconductor |
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LB11852RV Scheda tecnica(HTML) 8 Page - ON Semiconductor |
8 / 12 page LB11852RV No.A2133-8/12 Description of Speed Control Block 1. Speed control diagram 2. Timing at startup (soft start) (RPM) Rotational speed Minimum speed 0% 100% Small ← CTL signal (PWMDUTY) → Large Large ← EO pin voltage (V) → Small The slope is determined by the RC pin constant. Determined by LIM pin voltage CR time constant large CR time constant small Minimum speed setting rotation Variable speed Full speed CTL pin EO pin 5VREG 0V On-duty small On-duty large LIM voltage EO voltage CTL pin VCC pin SOFT pin Soft start The slope changes depending on the capacitance of the SOFT pin (large capacitance large slope). Stop Stop Full speed Full speed |
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