A3977 Allegro MicroSystems, Inc., A3977 Datasheet
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A3977
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A3977 Summary of contents
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... V BB1 PFD GND 11 GND 12 GND 13 REF LOGIC SUPPLY BB2 3977 MICROSTEPPING DMOS DRIVER GND GND 34 GND REG 31 STEP Dwg. PP-075-1 WITH TRANSLATOR A3977SLP ...
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... PWM LATCH BLANKING MIXED DECAY PWM TIMER DMOS H BRIDGE PWM TIMER PWM LATCH BLANKING MIXED DECAY + - 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 Copyright © 2002, 2003 Allegro MicroSystems, Inc BB1 OUT 1A OUT 1B SENSE 1 ...
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MICROSTEPPING DMOS DRIVER ...
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MICROSTEPPING DMOS DRIVER WITH TRANSLATOR 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 ...
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ELECTRICAL CHARACTERISTICS at T noted) Characteristic Control Logic (cont’d) Mixed Decay Trip Point Ref. Input Voltage Range Reference Input Current Gain (G ) Error m (note 3) Crossover Dead Time Thermal Shutdown Temp. Thermal Shutdown Hysteresis UVLO Enable Threshold UVLO ...
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MICROSTEPPING DMOS DRIVER WITH TRANSLATOR 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 ...
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MICROSTEPPING DMOS DRIVER WITH TRANSLATOR 3977 ...
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MICROSTEPPING DMOS DRIVER WITH TRANSLATOR 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 ...
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MICROSTEPPING DMOS DRIVER WITH TRANSLATOR 3977 ...
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MICROSTEPPPING DMOS DRIVER WITH TRANSLATOR Full Step Half Step Table 2. Step Sequencing Home State = 45º Step Angle, DIR = H Phase 1 Current ¼ ...
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STEP INPUT HOME OUTPUT 70.7% –70.7% 70.7% –70.7% www.allegromicro.com MICROSTEPPING DMOS DRIVER WITH TRANSLATOR Dwg. WK-004-15 3977 ...
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MICROSTEPPING DMOS DRIVER WITH TRANSLATOR STEP INPUT HOME OUTPUT 100% 70.7% –70.7% –100% 100% 70.7% –70.7% –100% 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 Dwg. WK-004-14 ...
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STEP INPUT HOME OUTPUT 100% 70.7% 38.3% –38.3% –70.7% –100% 100% 70.7% 38.3% –38.3% –70.7% –100% www.allegromicro.com MICROSTEPPING DMOS DRIVER WITH TRANSLATOR Dwg. WK-004-13 3977 ...
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MICROSTEPPING DMOS DRIVER WITH TRANSLATOR STEP INPUT HOME OUTPUT 100% 70.7% 38.3% –38.3% –70.7% –100% 100% 70.7% 38.3% –38.3% –70.7% –100% 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 Dwg. WK-004-12 ...
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MICROSTEPPING DMOS DRIVER WITH TRANSLATOR 3977 ...
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MICROSTEPPING DMOS DRIVER WITH TRANSLATOR 0.319 0.291 0.021 0.013 0.319 0.291 0.050 BSC 0.020 MIN 0.180 0.165 8.10 7.39 0.533 0.331 8.10 7.39 1.27 BSC 0.51 MIN 4.57 4.20 NOTES: 1. Exact body and lead configuration at vendor’s option ...
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MAX 0.0059 0.00 28 4.50 4.30 0. 0.19 1.20 MAX 0.15 0.00 NOTES: 1. Exact body and lead configuration at vendor’s option within limits shown. 2. Lead spacing tolerance is ...
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... WITH TRANSLATOR The products described here are manufactured under one or more U.S. patents or U.S. patents pending. Allegro MicroSystems, Inc. reserves the right to make, from time to time, such departures from the detail specifications as may be required to permit improvements in the performance, reliability, or manufacturability of its products. Before placing an order, the user is cautioned to verify that the information being relied upon is current ...