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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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3953 데이터시트(PDF) 2 Page - Allegro MicroSystems |
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3953 데이터시트(HTML) 2 Page - Allegro MicroSystems |
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2 / 15 page  3953 FULL-BRIDGE PWM MOTOR DRIVER 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 2 X = Irrelevant FUNCTIONAL BLOCK DIAGRAM VBB RC VCC LOGIC SUPPLY 9 PHASE UVLO & TSD R S Dwg. FP-036-2A MODE REF ENABLE SENSE BRAKE GROUND Q R S PWM LATCH VCC + – BLANKING SLEEP & STANDBY MODES VTH R T C T 1 2 3 6 7 8 10 11 14 15 4 GROUND 12 16 5 13 TRUTH TABLE BRAKE ENABLE PHASE MODE OUTA OUTB DESCRIPTION H H X H Off Off Sleep Mode H H X L Off Off Standby H L H H H L Forward, Fast Current-Decay Mode H L H L H L Forward, Slow Current-Decay Mode H L L H L H Reverse, Fast Current-Decay Mode H L L L L H Reverse, Slow Current-Decay Mode L X X H L L Brake, Fast Current-Decay Mode L X X L L L Brake, No Current Control Copyright © 1995, 2000 , 2005 Allegro MicroSystems, Inc. |
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