MC3479P ON Semiconductor, MC3479P Datasheet
MC3479P
Specifications of MC3479P
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MC3479P Summary of contents
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... Semiconductor Components Industries, LLC, 2006 June, 2006 − Rev Driver Driver L4 Bias/Set GND Package Shipping PDIP−16 25 Units / Rail PDIP−16 (Pb−Free) 1 http://onsemi.com PDIP−16 P SUFFIX CASE 648C MARKING DIAGRAM 16 MC3479P AWLYYWWG Assembly Location WL = Wafer Lot YY = Year WW = Work Week G = Pb−Free Package PIN CONNECTIONS ...
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MAXIMUM RATINGS Rating Supply Voltage Clamp Diode Cathode Voltage (Pin 1) Driver Output Voltage Drive Output Current/Coil Input Voltage (Logic Controls) Bias/Set Current Phase A Output Voltage Phase A Sink Current Junction Temperature Storage Temperature Range Stresses exceeding Maximum Ratings ...
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DC ELECTRICAL CHARACTERISTICS (Notes 2, 3) unless otherwise noted.) Characteristic PHASE A OUTPUT Output Low Voltage Off State Leakage Current POWER SUPPLY Power Supply Current ( OHD ( OHD ( ...
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... V 0 Bias/Set MC3479P L4 14 Clk 7 OIC CCW 4.0 k Figure 2. AC Test Circuit PIN FUNCTION DESCRIPTION Pin # Function Symbol 16 Power Supply Ground GND 12 Clamp Diode Voltage Driver Outputs L1, L2 L3, 14 Bias/Set B/S 7 Clock Clk 9 Full/Half Step F/HS 10 Clockwise/ CW/CCW Counterclockwise 8 Output Impedance ...
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General The MC3479 integrated circuit is designed to drive a stepper positioning motor in applications such as disk drives and robotics. The outputs can provide up to 350 mA to each of two coils of a two−phase motor. The outputs ...
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V D This pin allows for provision of a current path for the motor coil current during switching, in order to suppress back−EMF voltage spikes normally connected (Pin 16) through a diode (zener or regular), ...
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Clk Bias/Set CW/CCW Phase Phase A Output Phase A Output The value of R (between this pin and ground) ...
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100 150 200 250 I (mA) BS Figure 8. Power Supply Current For example, assume an application where V motor requires 200 mA/coil, operating at room temperature ...
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Typ Phase A Clock Digital Inputs CW/CCW Full/Half Step OIC Set Normal Operation Figure 12. Typical Applications Circuit Normal Operation Reduced Power − Suggested value for R − R calculation (see text) must take into account B ...
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... Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada Fax: 303− ...