RT8479C Two-Stage Hysteretic LED Driver

Richtek

Description

® RT8479C Two-Stage Hysteretic LED Driver with Internal MOSFETs General .
The RT8479C is a two-stage controller with dual MOSFETs and consists of a Boost converter (first stage) and a Buck converter (second stage).

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Datasheet Specifications

Part number: RT8479C
Manufacturer: Richtek
File Size: 144.84 KB
Datasheet: RT8479C-Richtek.pdf
Description: Two-Stage Hysteretic LED Driver

Features

* Two-Stage Topology (Boost + Buck)
* Dual MOSFETs Inside
* Wide Input Voltage Range : 4.5V to 36V
* Excellent Power Factor
* Programmable Boost Output Voltage
* Independent Dual Stage Function
* Programmable LED Current with ±5% LED Current Accuracy
* Input Under-Vol

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 RT8479C is equipped with dual output gate drivers for internal power

RT8479C Distributors

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RT8479C Two-Stage Hysteretic LED Driver Richtek

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