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LB11692JH Arkusz danych(PDF) 8 Page - Sanyo Semicon Device |
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LB11692JH Arkusz danych(HTML) 8 Page - Sanyo Semicon Device |
8 / 12 page LB11692JH No.A0333-8/12 Continued from preceding page. Pin No. Symbol Pin Description Equivalent Circuit 25 PWM PWM oscillator frequency setting. Connect a capacitor between this pin and ground. A frequency of about 21kHz can be set by using a 2200pF capacitor. 26 GND1 Ground (For circuits other than the motor drive output system) 28 27 30 29 32 31 IN1+ IN1- IN2+ IN2- IN3+ IN3- Hall effect sensor inputs High when IN+ > IN-, low for the reverse state. Signal inputs with an amplitude (differential) of at least 100mVp-p are desirable for the Hall inputs. If noise is a problem, connect capacitors between the IN+ and IN- inputs. 33 F/R Forward/reverse control Low: forward, high or open: reverse. 1,3 5,6 13,19 24,35 NC No connection. The NC pins may be used for wiring connections. FRAME Frame connection The FRAME pin is connected internally to the IC surface metal parts. Both must be used in the electrically open state. VREG 200 Ω 25 VREG 300 Ω 28 300 Ω 31 29 27 32 30 VREG 3.5k Ω 33 |
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