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| Features Constant Current Control Function (Fixed Frequency PWM Control) 2 1-2 ENA 2-Phase Input (Half Step Drive Uses ENA Together) Current Decay Mode (Fast Decay or Slow Decay) Noise Cancellation Function Cross Conduction Protection Overheating Alarm Function Built-in Flywheel and Flyback Diodes Absolute Maximum Ratings Ta=25 Parameter Logic Supply Voltage Logic Input Voltage Load Supply Voltage Output Current Flywheel Diode Current Power Dissipation Storage Temperature Junction Temperature Symbol VCC VLOGIC Vmm IC If PD Tstg Tj -40 0 0 Rating 6 VCC 60 1.0 1.0 3 150 150 V V V A A W Ta=25 unless otherwise specified Unit U170-1 www.shindengen.co.jp/product/semi/ Electrical Characteristics Ta=25 Parameter Symbol Condition ,VCC=5V min. Ta=25 ,VCC=5V unless otherwise specified typ. max. Unit Output stage Output Saturation Voltage Upper side Output Saturation Voltage Lower side Output Leakage Current Upper side Output Leakage Current Lower side Diode Forward Drop Upper side Diode Forward Drop Lower side VCE VCE SAT H L IC=0.8A IC=0.8A Vmm=60V, VOUT=0V VOUT=60V, VRs=0V If=0.8A If=0.8A - 1.0 1.0 1.3 1.3 1.4 1.4 10 10 1.6 1.5 V V A A V V SAT IrH IrL VFH VFL Logic stage VCC 2 ON Logic Supply Current 2 Circuit ON VCC 2 OFF Logic Supply Current 2 Circuit OFF Phase/Enable/Decay H Phase/Enable/Decay H Input Voltage Phase/Enable/Decay L Phase/Enable/Decay L Input Voltage Phase/Enable/Decay H Phase/Enable/Decay H Input Current Phase/Enable L Phase/Enable L Input Current Decay L Decay L Input Current Vref Vref Input Current Vs Vs Input Current Chopping Frequency Blanking Time Vs Vs Maximum Voltage Thermal Alarm Leakage Current Thermal Alarm Output Current Thermal Alarm Operating Temperature ICC (ON) ICC (OFF) VPHA/ENA/DECH VPHA/ENA/DECL IPHA/ENA/DECH IPHA/ENAL IDECL Iref Is fchop tb Vs (max) Ir (alm) Ialm Talm Valm=5V Valm=0.5V VPHA/ENA/DEC=5V VPHA/ENA=0V VDEC=0V Vref=0V Vs=0V Ct=4700pF,Rt=13k Ct=4700pF VENA=0A VENA=5V 2.3 GND 25 19 -100 -200 -1 -1 22 2.2 140 33 26 VCC 0.8 10 -150 -300 -10 -10 1.0 10 2 mA mA V V A A A A A kHz s V A mA www.shindengen.co.jp/product/semi/ U170-1 Typical Application Recommended External Components Value Symbol Rs Rt Ct R1+R2 Recommendation 0.68 13 4700 10 k pF k Unit Recommended Operating Conditions Ta=25 Parameter Junction Temperature Logic Supply Voltage Load Supply Voltage Symbol Tj VCC Vmm Ta=25 unless otherwise specified Unit Recommendation -25 4.75 5 120 5.25 54 V V Setting of Output Current and Chopping Frequency Output Current Setting lchop Vref A Rs Chopping Frequency Setting 1 fchop Hz 0.72 x Ct x Rt T=1/fchop Ichop Constant current waveform Motor current U170-1 www.shindengen.co.jp/product/semi/ 3/4 Pin Assignment Top View MTD2005F Package HSOP28 Truth Table ENA A or B L L H PHA A or B L H : don't care DECAY L H Decay Mode Fast Slow Switching Transistor Both source and sink transistor Only source transistor OUT 1 or 4 L H OFF OUT 2 or 3 H L OFF www.shindengen.co.jp/product/semi/ U170-1 |
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