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L297 Datasheet(PDF) 6 Page - STMicroelectronics |
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L297 Datasheet(HTML) 6 Page - STMicroelectronics |
6 / 11 page MOTOR DRIVING PHASE SEQUENCES (continued) WAVE DRIVE MODE Wave drive mode (also called ”one-phase-on” drive) is selected by a low level on the HALF/FULL input when the translator is at an even numbered state (2, 4, 6 or 8). Symbol Parameter Test conditions Min. Typ Max. Unit Vs Supply voltage (pin 12) 4.75 7 V Is Quiescent supply current (pin 12) Outputs floating 50 80 mA Vi Input voltage (pin 11, 17, 18, 19, 20) Low 0.6 V High 2 Vs V Ii Input current (pin 11, 17, 18, 19, 20) Vi = L 100 µA Vi =H 10 µA Ven Enable input voltage (pin 10) Low 1.3 V High 2 Vs V Ien Enable input current (pin 10) Ven = L 100 µA Ven =H 10 µA Vo Phase output voltage (pins 4, 6, 7, 9) Io = 10mA VOL 0.4 V Io = 5mA VOH 3.9 V Vinh Inhibit output voltage (pins 5, 8) Io = 10mA Vinh L 0.4 V Io = 5mA Vinh H 3.9 V VSYNC Sync Output Voltage Io = 5mA VSYNC H 3.3 V Io = 5mA VSYNC V 0.8 ELECTRICAL CHARACTERISTICS (Refer to the block diagram Tamb =25 °C, Vs = 5V unless otherwise specified) 6/11 L297-L297D |
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