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3964 Folha de dados(PDF) 4 Page - Allegro MicroSystems |
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3964 Folha de dados(HTML) 4 Page - Allegro MicroSystems |
4 / 10 page 3964 DUAL FULL-BRIDGE PWM MOTOR DRIVER 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 Logic Supply Voltage Range VCC Operating 4.75 — 5.25 V Logic Input Voltage VIN(1) 2.4 — — V VIN(0) — — 0.8 V Logic Input Current IIN(1) VIN = 2.4 V — <1.0 20 µA IIN(0) VIN = 0.8 V — <-2.0 -200 µA Reference Output Voltage VREF(OUT) VCC = 5.0 V, IREF(OUT) = 90 to 900 µA 2.45 2.50 2.55 V Reference Output Current IREF(OUT) 3 k Ω ≤ R D = RA + RB ≤ 15 kΩ 150 — 900 µA Ref. Input Offset Current IOS VREF(IN) = 1 V -2.5 0 1.0 µA Comparator Input Offset Volt. VIO VREF(IN) = 0 V -6.0 0 6.0 mV Comparator Input Volt. Range VREF Operating -0.3 — 1.0 V PWM RC Fixed Off-time tOFF RC CT = 1000 pF, RT = 30 kΩ 27 30 33 µs PWM Propagation Delay Time tPWM Comparator Trip to Source OFF — 1.2 2.0 µs PWM Minimum On Time tON(min) CT = 1000 pF, RT ≥ 15 kΩ, VCC = 5 V — 2.5 3.6 µs Propagation Delay Times tpd IOUT = ±800 mA, 50% to 90%: ENABLE ON to Source ON — 3.2 — µs ENABLE OFF to Source OFF — 1.2 — µs ENABLE ON to Sink ON — 3.2 — µs ENABLE OFF to Sink OFF — 0.7 — µs PHASE Change to Sink ON — 3.2 — µs PHASE Change to Source ON — 3.2 — µs PHASE Change to Sink OFF — 0.7 — µs PHASE Change to Source OFF — 1.2 — µs Thermal Shutdown Temp. TJ — 165 — °C Thermal Shutdown Hysteresis ∆T J —15 — °C UVLO Disable Threshold Decreasing VCC 4.20 4.40 4.65 V UVLO Hysteresis UVLO Enable Volt. - UVLO Disable Volt. 0.075 0.125 0.175 V UVLO Enable Threshold Increasing VCC 4.375 4.525 4.725 V Logic Supply Current ICC(ON) VENABLE 1 = VENABLE 2 = 0.8 V — 60 85 mA ICC(OFF) VENABLE 1 = VENABLE 2 = 2.4 V — 13 17 mA Logic Supply Current ∆I CC(ON) VENABLE 1 = VENABLE 2 = 0.8 V — 0.18 — mA/ °C Temperature Coefficient Limits Characteristic Symbol Test Conditions Min. Typ. Max. Units ELECTRICAL CHARACTERISTICS at TA = +25°C, VBB = 30 V, VCC = 4.75 V to 5.25 V, VSENSE = 0 V, 30 k Ω & 1000 pF RC to Ground (unless noted otherwise) (cont.) NOTES: 1. Typical Data is for design information only. 2. Negative current is defined as coming out of (sourcing) the specified device terminal. Control Logic |
Nº de peça semelhante - 3964 |
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Descrição semelhante - 3964 |
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