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A3988

Part Number	A3988
Manufacturer	Allegro MicroSystems
Description	Quad DMOS Full Bridge PWM Motor Driver
Published	Mar 14, 2007
Detailed Description	www.DataSheet4U.com A3988 Quad DMOS Full Bridge PWM Motor Driver Features and Benefits ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ 36 V output ...
Datasheet	A3988 PDF File

Overview

www.
DataSheet4U.
com A3988 Quad DMOS Full Bridge PWM Motor Driver Features and Benefits ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ 36 V output rating 4 full bridges Dual stepper motor driver High current outputs 3.
3 and 5 V compatible logic supply Synchronous rectification Internal undervoltage lockout (UVLO) Thermal shutdown circuitry Crossover-current protection Low profile QFN package Description The A3988 is a quad DMOS full-bridge driver capable of driving up to two stepper motors or four dc motors.
Each full-bridge output is rated up to 1.
2 A and 36 V.
The A3988 includes fixed off-time pulse width modulation (PWM) current regulators, along with 2- bit nonlinear DACs (digital-to-analog converters) that allow...

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