MTD1120F

SHINDENGEN Stepping Motor Driver ICs MTD Series MTD1120F FEATURES ●Constant-current chopping function OUTLINE DIMENSIONS Case : HSOP-28 (Unit : mm) (Off time fixed, self-oscillation) ●4-phase input (with inhibit for simultaneously turn ON) ●Built-in flywheel diodes RATINGS ●Absolute Maximum Ratings (Ta=25℃) Item Output Voltage Output Current Logic　Supply　Voltage Logic　Input　Voltage Total Power Dissipation Junction Temperature Storage Temperature Symbol VCEO(SUS) IO VCC VIN PT Tj Tstg Symbol VCE(sat) ICER ICC VINH VINL lINH lINL Iref Isense VS(max.) Test Conditions Io=0.9A VCER=80V VCC = 5V VCC = 5V VCC = 5V VCC = 5V,VIN=5V VCC = 5V,VIN=0V VCC = 5V,Vref=0V VCC=5V,VS=0V VCC=5V Ratings 80 1.2 0～7 0～VCC 3 150 -40～150 min. typ. 1.1 30 2.7 GND -10 -1 -1 Unit V A V V W ℃ ℃ max. 1.4 10 70 Vcc 1.0 10 -50 -50 -50 1.0 ●Electrical Characteristics (Ta=25℃) Item Output Saturation Voltage Output Leakage Current Logic Supply Current Input High Voltage Input Low Voltage Logic High Input Current Logic Low Input Current Reference Input Current Input Current(Current Sensor) Maximum Sensing Voltage Unit V μA mA V V μA μA μA μA V Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd Stepping Motor Driver ICs ● Equivalent Circuit・Basic Application Circuit MTD1120F ● Pin Assignment ●True 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 ●Recommended Parts Value Symbol Rs RF CF Rt Ct Vz R1+R2 Recommended Value 0.68 1 3300 8.2 3300 Vmm×1.2～1.5