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RT8543 - 6-String 43V White LED Driver

Richtek

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Datasheet Details

Part number	RT8543
Manufacturer	Richtek ↗
File Size	349.26 KB
Description	6-String 43V White LED Driver
Datasheet	RT8543-Richtek.pdf

RT8543 Product details

Description

The RT8543 is a high efficiency white LED driver.

Features

Wide Input Voltage : VIN 2.5V to 24V.
High Output Voltage : VOUT up to 43V.
Current Mode Boost Regulator  600kHz to 1.2MHz Switching Frequency  Up to 85% High Frequency.
Adjustable Full Channel Current from 5mA to 50mA and Matched to 2%.
Channel Current Regulation with ±3% Accuracy.
Dimming Controls  Direct PWM Dimming up to 20kHz and Minimum On-Time to 500ns  PWM to Analog Dimming up to 20kHz with 8 bit resolution.
Built-In Soft-Start to Prevent Inrush Cu.

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Published: Sep 10, 2023 |