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                High Power Factor,Low THD,Isolated Offline LED Controller

                产品描述

                The DX6210 is a single-power stage, isolated fly-backand non-isolated Buck boost configuration,which is adopts theprimary side offline LED lighting regulator to achieve high power factor . The proprietary real-current control method can control the LED current accurately from the primary side information . It can significantly simplify the LED lighting system design by eliminating the secondary side feedback components and the opto-coupler .

                The DX6210 integrates active power factor correction and works in Quasi Resonance mode (QRM) in order to reduce the MOSFET switching losses to provide a high efficiency solution for lighting applications. The external programmable line voltage compensation provides a more precise output current throughout the universal AC input voltage range. The leading edge blanking circuit on the CS/FB input removes the signal glitch and results in reduced external components and system cost.

                The multi-protection features of DX6210 greatly enhance the system reliability and safety . The DX6210 features VDD and output over voltage protection; output short

                circuit protection, cycle-by-cycle current limit and secondary peak current protection on CS pin, VDD UVLO and auto-restart and over-temperature protection. The driver output voltage is clamped at 18V to protect the external power MOSFET .

                主要特点


                • Single stage PFC,up to 100W power range

                • Primary side regulation without Secondary Feedback

                • Quasi Resonance (QR) mode with Fly-back and Buck Boost topology

                • Real-Current control to meet accurate

                • output current

                • Very less components

                • Programmable input AC voltage compensation

                • Leading Edge Blanking on CS/FB pin

                • Protection Features

                  - Building in hysteresis OTP

                  - VDD over voltage protection

                  - Cycle by cycle current limiting on CS pin

                  - Secondary peak current protection on CS pin

                  - Output short to GND protection

                  - Output programmable over voltage protection FB and CS pins default protection



                规格书

                文档名称文档描述下载
                DX6210_EN_A2498KB

                DX6210_EN_A2.pd