RT8476 Two-Stage Hysteretic LED Driver Controller

Richtek

Description

® RT8476 Two-Stage Hysteretic LED Driver Controller General .
The RT8476 is a two-stage controller with dual gate drivers consist of a Boost converter (first stage) and a Buck converter (second stage).

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Datasheet Specifications

Part number: RT8476
Manufacturer: Richtek
File Size: 178.18 KB
Datasheet: RT8476-Richtek.pdf
Description: Two-Stage Hysteretic LED Driver Controller

Features

* z Two-Stage Topology (Boost + Buck) z Wide Input Voltage Range : 4.5V to 40V z Adjustable Peak Input Current Control z Adjustable Boost Output Voltage z Independent Dual Stage Function z Adjustable LED Current with ±5% LED Current Accuracy z Input Under Voltage Lockout Detection z Thermal Shutdown P

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 RT8476 is equipped with dual output gate drivers for external power

RT8476 Distributors

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RT8476 Two-Stage Hysteretic LED Driver Controller Richtek

Richtek RT8476-like datasheet