Stepping Motor Driver
SHINDENGEN
Stepping Motor Driver ICs
MTD Series
MTD1120F
FEATURES
●Constant-current chopping function
OUTLINE DIMENSIO...
Description
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 <...
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