MTD1120_10

Features OFF 4 ON Constant Current Control Function (Fixed OFF Time) 4-Phase Input (Simultaneous ON Prevention Function) Built-in Flywheel Diodes Absolute Maximum Ratings Ta=25 Parameter Logic Supply Voltage Logic Input Voltage Output Voltage Output Current Power Dissipation Storage Temperature Junction Temperature Symbol VCC VIN/ENA VCEO IC PD Tstg Tj -40 SUS Ta=25 unless otherwise specified Unit V V V A W Rating 0 0 7 VCC 80 1.2 5 150 150 Electrical Characteristics Ta=25 Parameter Output Saturation Voltage Output Leakage Current Vcc Logic Supply Current IN H IN H Input Voltage IN L IN L Input Voltage IN H IN H Input Current IN L IN L Input Current Vref Vref Input Current VS VS Input Current VS VS Maximum Voltage Symbol VCE (sat) ICER ICC VINH VINL IINH IINL Iref IS VS (max) VIN=5V VIN=0V Vref=0V VS=0V IC=0.9A VCER=80V Condition ,VCC=5V min. 2.3 GND Ta=25 ,VCC=5V unless otherwise specified typ. 1.1 30 -10 -1 -1 max. 1.4 10 70 VCC 1.0 10 -50 -50 -50 1 V A mA V V A A A A V Unit U170-1 www.shindengen.co.jp/product/semi/ Typical Application ¾ Pin Assignment MARKING SIDE VIEW MTD1120 OUT A OUT A OUT B OUT B Cf Rf Rf Cf Pin 27 Pin 26 Pin 25 Pin 24 Pin 23 Pin 22 Pin 21 Pin 20 Pin 19 Pin 18 Pin 17 Pin 16 Pin 15 Pin 14 Pin 13 Pin 12 Pin 11 Pin 10 Pin 9 Pin 8 Pin 7 Pin 6 Pin 5 Pin 4 Pin 3 Pin 2 Pin 1 LG NC CR B Vref B Vs B IN B IN B PG B NC OUT B NC OUT B Rs B COM Rs A OUT A NC OUT A NC PG A IN A IN A Vs A Vref A CR A NC Vcc Package ZIP27 Truth Table IN A or B L L H H IN A or B L H L H OUT A or B OFF OFF ON OFF OUT A or B OFF ON OFF OFF Symbol Rs Rf Cf Rt Ct Vz R1+R2 Recommended External Components Value Recommendation 0.68 1 3300 8.2 3300 Vmm ˜ 1.2 10 1.5 k pF k pF V k Unit Setting of Output Current and One Shot Off Time Output Current Setting lchop  Vref A   Rs One Shot Off Time Setting toff = 0.69 × Ct × Rt Constant current waveform Motor current Ichop Recommended Operating Conditions Ta=25 Parameter Junction Temperature Logic Supply Voltage Load Supply Voltage Chopping Frequency Symbol Tj VCC Vmm fchop Ta=25 unless otherwise specified Unit Recommendation -25 4.75 120 5.25 27.5 27 V V kHz www.shindengen.co.jp/product/semi/ U170-1