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RT8472

Part Number	RT8472
Manufacturer	Richtek
Description	High Brightness LED Driver
Published	Mar 1, 2015
Detailed Description	® RT8472 1A, Hysteretic, High Brightness LED Driver with Internal Switch General Description The RT8472 is a high effi...
Datasheet	RT8472 PDF File

Overview

® RT8472 1A, Hysteretic, High Brightness LED Driver with Internal Switch General Description The RT8472 is a high efficiency, continuous mode inductive step-down converter, designed for driving single or multiple series connected LEDs from a voltage source higher than the LED voltage.
It operates from an input voltage of 5V to 30V and employs hysteretic control with a high side current sense resistor to set the constant output current.
The RT8472 includes an output switch and a high side output current sensing circuit, which uses an external resistor to set the nominal average output current.
LED brightness control is achieved with PWM dimming from an analog or PWM input signal.
The RT8472...

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