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A6284

Part Number	A6284
Manufacturer	Allegro MicroSystems
Description	Linear Current Regulator/Controller
Published	Oct 19, 2016
Detailed Description	A6274, A6274-1 A6284, A6284-1 Linear Current Regulator and Controller for Automotive LED Arrays FEATURES AND BENEFITS •...
Datasheet	A6284 PDF File

Overview

A6274, A6274-1 A6284, A6284-1 Linear Current Regulator and Controller for Automotive LED Arrays FEATURES AND BENEFITS • Six LED current sinks rated up to 60 mA (A6274) or 120 mA (A6284) • Total LED drive current—up to 360 mA or 720 mA • Wide input voltage range of 5 to 42 V for start/stop, cold- crank, and load-dump requirements • Low-dropout voltage—drives two series WLEDs from 7 V input • Gate driver for external ballast P-MOSFET • LEDs combined in two groups with separate ENx and ISETx • LED current level set by external reference resistors • Internal or external PWM dimming • Controlled output drivers slew during PWM for lower EMI • Fault detection features: LED string open, LED pin sho...

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