MTD1120F_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 3 150 150 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 Top View MTD1120F OUT A Rs A OUT A NC NC NC NC GND PG A IN A IN A Vs A Vref A CR A Vcc GND OUT A OUT A OUT B OUT B COM NC NC NC OUT B Rs B OUT B Cf Rf Rf Cf LG CR B Vref B Vs B IN B IN B PG B Package HSOP28 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   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