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LV8804FV Datasheet(PDF) 6 Page - Sanyo Semicon Device |
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LV8804FV Datasheet(HTML) 6 Page - Sanyo Semicon Device |
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6 / 9 page  LV8804FV No.A1441-6/9 Continued from preceding page. Pin No. Pin name Function Equivalent circuit 14 COM Motor middle point connection. 15 COMIN Motor position detection comparator filter pin. A capacitor must be connected between this pin and the FIL pin (pin 16). 16 FIL Motor position detection comparator filter pin. A capacitor must be connected between this pin and the COMIN pin (pin 15). 15 VG UO VO WO 14 16 17 VREG Regulator voltage (5V) output. A capacitor must be connected between these pins and ground. VCC 17 VREG 18 F/R Motor rotation direction switching. A high-level input causes current to flow into the motor in the order of U, V, and W and a low-level input in the order of U, W, and V. Changing the order of current application turns the motor in the opposite direction. 18 15k Ω 100k Ω VREG Reverse signal Forward signal Forward/reverse switching signal 19 CTL Motor control voltage input. When the control voltage is higher than 3V (3V < CTL voltage), the motor stops. The motor speed is controlled by varying the control voltage within the range of 3V to 1V (3V > CTL voltage > 1V). When the control voltage becomes lower that 1V (1V > CTL voltage), the current limit set by the RF resistor is reached. 20 MINSP Minimum speed setting voltage input. The minimum speed of the motor can be set by resistor-dividing the regulator voltage and feeding the resultant voltage that is within the range of 1V to 3V (1 V < MINSP < 3V). 19 500 Ω VREG 20 500 Ω |
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