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SLA7044M Datasheet(PDF) 3 Page - Allegro MicroSystems |
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SLA7044M Datasheet(HTML) 3 Page - Allegro MicroSystems |
3 / 8 page DC ELECTRICAL CHARACTERISTICS at T A = +25°C, VDD = 5 V unless otherwise noted. Limits Characteristic Symbol Test Conditions Min Typ Max Units FET Leakage Current I DSS V DS = 100 V — — 4.0 mA FET ON Voltage V DS(ON) SLA7042M, I OUT = 1.2 A — — 800 mV SLA7044M, I OUT = 3 A — — 855 mV FET ON Resistance r DS(on) SLA7042M, I OUT = 1.2 A — — 0.67 Ω SLA7044M, I OUT = 3 A — — 0.285 Ω Body Diode Forward Voltage V SD SLA7042M, I OUT = –1.2 A — — 1.2 V SLA7044M, I OUT = –3 A — — 1.6 V Control Supply Voltage V DD Operating 4.5 5.0 5.5 V Control Supply Current I DD Each controller, V DD = 5.5 V — — 7.0 mA Logic Input Voltage V IN(1) 3.5 — — V V IN(0) — — 1.5 V Logic Input Current I IN(1) V IN(1) = VDD — — 1.0 µA I IN(0) V IN(0) = 0 — — –1.0 µA REF/ENABLE Input Voltage V REF/EN DATA, CLOCK, STROBE, and OUT Enabled 0.4 — 2.5 V DATA, CLOCK, STROBE, and OUT Disabled V DD - 1 — — V REF/ENABLE Input Current IREF/EN 0 V ≤ V REF/EN ≤ 5 V — — ±1.0 µA Step Reference SRCR DATA Input = 000X — 0 — % Current Ratio DATA Input = 001X — 20 — % DATA Input = 010X — 40 — % DATA Input = 011X — 55.5 — % First Bit Entered (X) = Phase DATA Input = 100X — 71.4 — % Second Bit Entered = LSB DATA Input = 101X — 83 — % Last Bit Entered = MSB DATA Input = 110X — 91 — % DATA Input = 111X — 100 — % NOTE: Negative current is defined as coming out of (sourcing) the specified device pin. TYPICAL AC CHARACTERISTICS at T A = +25°C, VDD = 5 V, IOUT = 1 A, Logic Levels are VDD and Ground PWM OFF Time DATA Input = 001X ................................................................. 7 µs DATA Input = 010X ................................................................. 7 µs DATA Input = 011X ................................................................. 9 µs DATA Input = 100X ................................................................. 9 µs DATA Input = 101X ................................................................. 9 µs DATA Input = 110X ................................................................ 11 µs DATA Input = 101X ................................................................ 11 µs Output RiseTime tr 10% to 90% ........................................................................... 0.5 µs Output Fall Time tf 90% to 10% ........................................................................... 0.1 µs Strobe-to-Output Switching Time tpd 50% to 50% ........................................................................... 0.7 µs SLA7042M AND SLA7044M MICROSTEPPING, UNIPOLAR PWM, HIGH-CURRENT MOTOR CONTROLLER/DRIVERS |
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