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A8504 - WLED/RGB Backlight Driver

Product Overview

Allegro

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A8504 WLED/RGB Backlight Driver by Allegro - Datasheet Preview — Datasheet preview – A8504

Datasheet Details

Part number	A8504
Manufacturer	Allegro
File Size	448.55 KB
Description	WLED/RGB Backlight Driver
Datasheet	A8504 Datasheet
Additional preview pages of the A8504 datasheet.

Product details

Description

The A8504 is a multi-output WLED driver for medium display backlighting.

Features

Active current sharing among 8 LED strings for ±1.3% typical current matching.
±1.2% typical current accuracy.
Drive up to 11 series × 8 parallel = 88 LEDs (Vf = 3.5 V, If = 40 mA).
External PWM control for LED dimming.
An external resistor for LED current setting.
Boost converter with integrated 50 V, 2 A DMOS.
LED sinks rated for 45 mA.
200 kHz to 2 MHz switching frequency.
Open LED disconnect.
Boost current limit, thermal shutdown, and soft s.

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Other Datasheets by Allegro

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A8503 - WLED/RGB Driver
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A8511 - 4-Channel x 150 mA WLED/RGB Driver

Published: Jan 8, 2025 |