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IC manufacturers Silergy Corporation

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Silergy Corporation SSL5251 | Demoboard UM10930

SSL5251DB1332 LED driver

Overview

TopologyBuck-Boost Converter
Input voltage1-10 V
IC revision1

Description

This user manual describes the dimmable LED driver solution for fixtures with theSSL5251T LED driver controller.The board is an example of a buck-boost topology with the controller ICs placed at thehigh side. The IC ground pin (pin 2) is the switching node.The typical features of the single-stage buck-boost topology are:• Low Total Harmonic Distortion (THD)• Small bus capacitor and large output capacitor• Fixed on-time with small modulation for low mains current harmonics

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