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3951

Part Number	3951
Manufacturer	Allegro MicroSystems
Description	FULL-BRIDGE PWM MOTOR DRIVER
Published	Mar 30, 2005
Detailed Description	3951 A3951SB 1 2 3 4 LOGIC GROUND LOGIC SUPPLY PHASE ENABLE 5 6 7 8 VBB VCC 12 11 10 9 GROUND SENSE OUTA LOAD SUPPLY 16 ...
Datasheet	3951 PDF File

Overview

3951 A3951SB 1 2 3 4 LOGIC GROUND LOGIC SUPPLY PHASE ENABLE 5 6 7 8 VBB VCC 12 11 10 9 GROUND SENSE OUTA LOAD SUPPLY 16 15 14 13 LOAD SUPPLY OUTB GROUND GROUND FULL-BRIDGE PWM MOTOR DRIVER Designed for bidirectional pulse-width modulated current control of inductive loads, the A3951SB and A3951SW are capable of continuous output currents to ±2 A and operating voltages to 50 V.
Internal fixed off-time PWM current-control circuitry can be used to regulate the maximum load current to a desired value.
The peak load current limit is set by the user’s selection of an input reference voltage and external sensing resistor.
The fixed off-time pulse duration is set by a userselected external RC timin...

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