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3948

Part Number	3948
Manufacturer	Allegro MicroSystems
Description	DMOS FULL-BRIDGE PWM MOTOR DRIVER
Published	Mar 30, 2005
Detailed Description	3948 A3948SLB (SOIC) CP CP2 CP1 PHASE OSC GROUND GROUND LOGIC SUPPLY ENABLE DATA CLOCK STROBE DMOS FULL-BRIDGE PWM MOTO...
Datasheet	3948 PDF File

Overview

3948 A3948SLB (SOIC) CP CP2 CP1 PHASE OSC GROUND GROUND LOGIC SUPPLY ENABLE DATA CLOCK STROBE DMOS FULL-BRIDGE PWM MOTOR DRIVER 1 2 3 4 5 θ 24 23 NC 22 21 VBB 20 19 18 V DD 17 16 VREG RANGE NO CONNECTION OUTB LOAD SUPPLY GROUND GROUND SENSE OUTA NO CONNECTION MODE REF Designed for pulse-width modulated (PWM) current control of dc motors, the A3948SB and A3948SLB are capable of continuous output currents to ±1.
5 A and operating voltages to 50 V.
Internal fixed offtime PWM current-control timing circuitry can be programmed via a serial interface to operate in slow, fast, and mixed current-decay modes.
Similar devices with outputs rated to ±2 A are available as the A3958SB/SLB.
PHASE and ENAB...

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