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    深圳市诚芯微科技有限公司

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    成立时间:2005年
  • 公司地址: 广东省 深圳市 龙岗区 布吉街道 布吉社区 深圳市龙岗区布吉布澜路李朗软件园A4栋1001-1002室
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    供应分类

    BF1005比亚迪分段调光IC

  • 所属行业:五金 五金配件 自行车锁
  • 发布日期:2019-04-25
  • 阅读量:222
  • 价格:面议
  • 产品规格:SOT23-5
  • 产品数量:5000000.00 PCS
  • 包装说明:不限
  • 发货地址:广东深圳龙岗区布吉街道布吉社区  
  • 关键词:比亚迪分段调光IC

    BF1005比亚迪分段调光IC详细内容

    BF1005 ON/OFF Dimming LED Driver IC
    General Description
    TheBF1005  is a high performance AC/DC on/off LED driver with four-stages dimming. It uses PFM method to build DCM fly-back power supplies. It operates in primary-side sensing and regulation while removing the need of secondary feedback circuitry. The device operates in PFM in CC mode and ON-OFF in CV mode. TheBF1005 has a four-stages dimming function. That means the output current will be adjusted to ** when the first time power on corresponding to the first stage, 55% when the second time power on corresponding to the second stage, 25% when the third time power on corresponding to the third stage and 10% when the fourth time power on corresponding to the fourth stage. The cycle will restart to stage-one again when the fifth time power on. So this cycle will go on if the power off time is no more than 0.8 seconds.
    Features ?
    ??4 stages dimming function with ordinary switch 
    ??Typical 5% output Current Accuracy 
    ??Constant frequency start-up mode accelerate start-up process 
    ??Eliminates Opto-coupler and TL431 
    ??Built-in Short Circuit Protection, VDD Over Voltage Protection 
    ??Cycle-by-Cycle Current Limiting 
    ??VDD Under Voltage Lockout with Hysteresis (UVLO) 
    ??Small SOT23-5 Package 
     Application 
    ??LED lampion 
    ??LED bulb ( E14、E27 etc) 
    ??LED bedlamp 
    

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