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MFG:MOTO/ON  D/C:DIP  

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Part Number: MC3479

 

MFG: MOTO/ON

 

D/C: DIP

Description: The MC3479 is designed to drive a twophase stepper motor in the bipolar mode. The circuit consists of four input sectio...


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MC3479 General Description


The MC3479 is designed to drive a twophase stepper motor in the bipolar mode. The circuit consists of four input sections, a logic decoding/sequencing section, two driverstages for the motor coils, and an output to indicate the Phase A drive state.
• Single Supply Operation: 7.2 to 16.5 V
• 350 mA/Coil Drive Capability
• Clamp Diodes Provided for BackEMF Suppression
• Selectable CW/CCW and Full/Half Step Operation
• Selectable High/Low Output Impedance (Half Step Mode)
• TTL/CMOS Compatible Inputs
• Input Hysteresis: 400 mV Minimum
• Phase Logic Can Be Initialized toPhase A
• Phase A Output Drive State Indication (OpenCollector)
• Available in Standard DIP and Surface Mount

MC3479 Maximum Ratings

Rating
Symbol
Value
Unit
Supply Voltage
VM
+ 18
Vdc
Clamp Diode Cathode Voltage (Pin 1)
VD
VM + 5.0
Vdc
Driver Output Voltage
VOD
VM + 6.0
Vdc
Drive Output Current/Coil
IOD
± 500
mA
Input Voltage (Logic Controls)
Vin
0.5 to + 7.0
Vdc
Bias/Set Current
IBS
10
mA
Phase A Output Voltage
VOA
+ 18
Vdc
Phase A Sink Current
IOA
20
mA
Junction Temperature
TJ
+ 150
°C
Storage Temperature Range
Tstg
65 to + 150
°C

MC3479 Connection Diagram

MC3479 Connection Diagram

MC3479 datasheet

MC3479
PDF/DataSheet Download

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