11-MD124 Datasheet | SiTi

Features and Benefits l l l l l Low voltage operation ( VDD min = 1.5V ) Low saturation voltage Optimal for 2 phase excitation drive for 2-phase stepping motors High output sinking and driving capability Thin, highly reliable package (MSOP-10) Pin Assignment PIN NO. PIN NAME 1 O4 VDD GND O3 O1 EN GND O2 IN2 IN1 DESCRIPTION Output sinking / driving pin. Power supply pin. Ground pin Output sinking / driving pin. Output sinking / driving pin. Ground pin Ground pin Output sinking / driving pin. Input pin that determines driving mode. Input pin that determines driving mode. O4 VDD GND O3 O1 1 2 3 4 5 10 9 IN1 IN2 O2 GND EN 2 3 4 5 6 7 8 9 10 11 -MD124 8 7 6 11-MD124_A07 Version¡GA.07 -1- .. ÂI´¹¬ì- ÞªÑ- ÷¦³--¤½- q SILICON TOUCH TECHNOLOGY INC. Absolute Maximum Ratings ( Unless otherwise noted, TA= 25¢J Characteristic Supply Voltage Input Voltage IODC Current Power Dissipation Operating Temperature Range Storage Temperature Range Symbol VDD VIN IODC PD TOPR TSTG Rating 6.0 ) Unit V V m A m W °C °C VDD+0.4 500 486 -40 ~ 125 -65 ~ 150 Electrical Characteristic (Unless otherwise noted, TA= 25¢J Characteristic Supply Voltage Supply Current Sym. VDD IDD VEN, IN1, IN2 = 0V Condition Min. 1.5 & VDD = 3V ) Limit Typ. 3 0.2 Max. 6 0.5 V £g A Unit EN / IN1 / IN2 Input Terminal ( TJ = 25¢J) Input Voltage “H” Input Voltage “L” Input Current “H” Input Current “L” VIH VIL IIH IIL VIN = VDD VIN = 0 V 0.5- VDD -0.4 VDD+0.4 0.2- VDD ¡Ó 5 ¡Ó 5 V V £g A £g A O1 / O2 / O3 / O4 Output Terminal ( TJ = 25¢J) Output Voltage (upper + lower) VOUT0 VOUT1 IOUT = 200 m A IOUT = 400 m A 0.25 0.4 0.35 0.8 V V Truth Table EN L H Input pins IN1 L L H H IN2 L H H L O1 OFF H H L L Output pins O2 O3 OFF OFF L H L L H L H H O4 OFF L H H L Notes Standby 2-phase excitation 11-MD124_A07 Version¡GA.07 -2- .. ÂI´¹¬ì- ÞªÑ- ÷¦³--¤½- q SILICON TOUCH TECHNOLOGY INC. Block Diagram & Application Circuit 10µF VDD 2 EN O1 6 5 Stepping...