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產(chǎn)品

High Power Factor,Low THD,Isolated Offline LED Controller

產(chǎn)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 .

主要特點(diǎn)


  • 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



規(guī)格書

文檔名稱文檔描述下載
DX6210_EN_A2498KB

DX6210_EN_A2.pd


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