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RT8474A

Part Number	RT8474A
Manufacturer	Richtek
Description	High Voltage Multiple-Topology LED Driver
Published	May 27, 2016
Detailed Description	® RT8474A High Voltage Multiple-Topology LED Driver with Open Detection General Description The RT8474A is a current-m...
Datasheet	RT8474A PDF File

Overview

® RT8474A High Voltage Multiple-Topology LED Driver with Open Detection General Description The RT8474A is a current-mode LED driver supporting wide input voltage range from 4.
5V to 50V in multiple topologies.
With the internal 500kHz operating frequency, the size of the external PWM inductor and input/output capacitors can be minimized.
High efficiency is achieved by a 100mV current sensing control.
LED dimming control can be done from either analog or PWM signal.
The RT8474A provides an internal soft-start function to avoid inrush current and thermal shutdown to prevent the device from overheat.
The RT8474A is available in the SOP-8 (Exposed pad) package.
Features  High Voltage : VIN U...

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