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L9779WD データシート(PDF) 84 Page - STMicroelectronics |
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L9779WD データシート(HTML) 84 Page - STMicroelectronics |
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84 / 170 page  Functional description L9779WD 84/170 DocID027452 Rev 5 Figure 54. Short to GND detection during “on” phase Table 34. Stepper configuration electrical characteristics Pin Symbol Parameter Test condition Min Typ Max Unit OUT 21 to 28 VOutnorm OUT(21,22), OUT(23,24), OUT(25,27), OUT(26,28) output voltage OUT(21,22) short to OUT(23,24); OUT(25,27) short to OUT(26,28); 2.3 - 2.7 V HVTH Diagnostic high threshold Driver in OFF condition VOutnorm +120mV -3 V LVTH Diagnostic low threshold Driver in OFF condition 1.9 - VOutnorm -200mV V IOVC Over current threshold -1 - 2.1 A I_OPEN_LOAD Output open load threshold current -10 - 90 mA IOUT_PD_A+B or C+D Output diagnostic pull down current OFF STATE Vpin = 5 V 200 - 350 µA IOUT_PU_A+B or C+D Output diagnostic pull up current OFF STATE Vpin = 0 V 50 - 150 µA Ropenl Open load resistor threshold Application note 150 - - kΩ Tdgc_ON Deglitch filter time in ON condition Test by scan -25% 10 +25% µs Tdgc_OFF - Test by scan -25% 125 +25% µs Tdgc_ol_on - Test by scan -25% 20 +25% µs |
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