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3966 Datasheet(PDF) 2 Page - Allegro MicroSystems |
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3966 Datasheet(HTML) 2 Page - Allegro MicroSystems |
2 / 9 page 3966 DUAL FULL-BRIDGE PWM MOTOR DRIVER 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 2 Copyright © 1998, 2003 Allegro MicroSystems, Inc. FUNCTIONAL BLOCK DIAGRAM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 OUT1B GROUND Dwg. PP-066-2 OUT 1A PHASE 1 OUT2A SENSE 1 ENABLE 1 LOAD SUPPLY REFERENCE PHASE 2 ENABLE 2 SENSE 2 OUT 2B LOGIC SUPPLY RC RC V REF V CC V BB GROUND A3966SA (DIP) TRUTH TABLE PHASE ENABLE OUTA OUTB XH Off Off HL H L LL L H X = Irrelevant R2S R1S REFERENCE ÷4 V CC LOGIC SUPPLY PHASE 1 LOAD SUPPLY V BB RC R T C T Dwg. FP-036-6 SENSE UVLO & TSD BLANKING GATE Q R S PWM LATCH + – CURRENT-SENSE COMPARATOR ENABLE 1 OSC PHASE2 GROUND SENSE UVLO & TSD BLANKING GATE Q R S PWM LATCH + – CURRENT-SENSE COMPARATOR ENABLE 2 2 1 2 2 2 1 1 1 |
Número de pieza similar - 3966_03 |
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Descripción similar - 3966_03 |
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