Features Constant Current Control Function (Fixed Frequency PWM Control) 2bit W1-2 2-Bit Degital Current Selection (Can Operate Quarter Step Operation) Automatic Current Decay Function %& () Noise Cancellation Function *+ ,- Cross Conduction Protection ./01 Thermal Shutdown Function 23 4567 89: < Built-in Flywheel and Flyback Diodes Absolute Maximum Ratings Ta=25 Ta=25 unless otherwise specified Parameter Symbol Rating Unit VCC V 0 6 Logic Supply Voltage VPHA/I0/I1 V 0 VCC Logic Input Voltage Vref Vref 0 VCC V Vref Input Voltage Vmm 50 V Load Supply Voltage % & IOUT 1.0 A Output Current ()*) +,)- . & If 1.0 A Flywheel Diode Current /012 PD 3W Power Dissipation 3456 Tstg -40 150 Storage Temperature 7 856 Tj 150 Junction Temperature U170-1 www.shindengen.co.jp/product/semi/ Electrical Characteristics Ta=25 ,VCC=5V Ta=25 ,VCC=5V unless otherwise specified min. typ. max. Parameter Symbol 9 : Condition Unit Output stage Vmm<= & 2> OFF Imm (OFF) Vmm=45V, VI0/I1=5V - - 10 mA Load Supply Current 2 Circuit OFF AB% CD VCE SAT HIC=0.8A - 1.3 1.5 V Output Saturation Voltage Upper side EB% CD VCE SAT LIC=0.8A - 1.2 1.4 V Output Saturation Voltage Lower side % F & Ir Vmm=50V - - 10 GA Output Leakage Current AB,)- .H VFHIf=0.8A - 1.4 1.6 V Diode Forward Drop Upper side EB,)- .H VFLIf=0.8A - 1.3 1.5 V Diode Forward Drop Lower side Logic stage VCC<= & 2> ON ICC (ON) -35 47 mA Logic Supply Current 2 Circuit ON VCC<= & 2> OFF ICC (OFF) VI0/I1=5V - 30 42 mA Logic Supply Current 2 Circuit OFF PHASEIHJ VPHAH2.3-VCC V PHASEIHJInput Voltage PHASEILJ VPHALGND-0.8V PHASEILJInput Voltage PHASEIHJ & IPHAHVPHA=5V - - 10.0 GA PHASEIHJInput Current PHASEILJ & IPHALVPHA=0V - -1.0 -10.0 GA PHASEILJInput Current I0,I1IHJ VI0/I1H2.3-VCC V I0,I1IHJInput Voltage I0,I1ILJ VI0/I1LGND-0.8V I0,I1ILJInput Voltage I0,I1IHJ & II0/I1HVI0/I1=5V - - 10.0 GA I0,I1IHJInput Current I0,I1ILJ & II0/I1LVI0/I1=0V - -2.0 -10.0 GA I0,I1ILJInput Current Vref & Iref Vref=0V - -1.0 -10.0 GA Vref Input Current Vs & Is Vs=0V - -1.0 -10.0 GA Vs Input Current CompKL MN* +. 100O Vs1 Vref=5V, I0=L, I1=L 0.475 0.500 0.525 V Comparator Threshold 100% CompKL MN* +. 70O Vs2 Vref=5V, I0=H, I1=L 0.322 0.350 0.378 V Comparator Threshold 70% CompKL MN* +. 40O Vs3 Vref=5V, I0=L, I1=H 0.180 0.200 0.220 V Comparator Threshold 40% PQ RSTUVW fchop -22 - kHz Ct=4700pF,Rt=13kX Chopping Frequency Y(SZST ) tb Ct=4700pF - 2.2 - Gs Blanking Time 3 56 TTSD - 150 - Thermal Shutdown Temperature U170-1 www.shindengen.co.jp/product/semi/