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LB11620GP Datasheet(PDF) 11 Page - Sanyo Semicon Device |
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LB11620GP Datasheet(HTML) 11 Page - Sanyo Semicon Device |
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11 / 13 page  LB11620GP No.A1913-11/13 Pin Functions PIN No. PIN name Function Equivalent circuit 24 1 2 3 4 5 IN1- IN1+ IN2- IN2+ IN3- IN3+ Hall input pin. IN+ > IN- to “H”, IN+ < IN- to “L”. Connect the capacitor between IN+ and IN- when the noise of the hall signal becomes a problem. VCC 24 2 4 1 3 5 6 PWM Functions as both the PWM oscillator frequency setting pin and the initial reset pulse setting pin. Connect a capacitor between this pin and ground. It is possible to set it to about 22kHz with C=2000pF. VREG 6 7 RD Lock (motor constrained) detection state output. This output is turned on when the motor is turning and off when the lock protection function detects that the motor has been stopped. 11 HP Hall signal output pin. Two kinds of outputs can be selected by setting the N1 pin. VREG 7 11 8 CSD Sets the operating time for the lock protection circuit. Connect a capacitor between this pin and ground. Connect this pin to ground if the lock protection function is not used. VREG 8 9 PWMIN PWM pulse signal input. The output goes to the drive state when this pin is low and to the off state when this pin is high or open. To use this pin for control, a CTL amplifier input such that the TOC pin voltage goes to the 100% duty state must be provided. 10 F/R Forward/reverse control input. VREG 9 10 12 N1 Hall signal output (HP output) selection. VREG 12 Continued on next page |
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