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RT8476A

Part Number	RT8476A
Manufacturer	Richtek
Description	Two-Stage Hysteretic LED Driver Controller
Published	May 27, 2016
Detailed Description	® RT8476A Two-Stage Hysteretic LED Driver Controller General Description The RT8476A is a two-stage controller with du...
Datasheet	RT8476A PDF File

Overview

® RT8476A Two-Stage Hysteretic LED Driver Controller General Description The RT8476A is a two-stage controller with dual gate drivers consist of a Boost converter (first stage) and a Buck converter (second stage).
The advantage of the twostage topology is highly compatible with ET (Electronic Transformer) in MR16 / AR111 lighting market field applications.
The first stage is a Boost converter for constant voltage output with inductor peak current over-current protection.
The second stage is a Buck converter for constant output current by typical constant peak current regulation.
The RT8476A is equipped with dual output gate drivers for external power MOSFETs, suitable for higher power appl...

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