CXLE8865

CXLE8865稳压器是固定频率的PWM升压(升压)LED恒流驱动器,能够驱动系列1W LED单元,具有出色的线路和负载调节。该调节器使用简单,因为它包括内部频率补偿和固定频率振荡器,因此它需要最少数量的外部组件才能工作。CXLE8865可以直接驱动6系列1W LED单元(在车辆识别号>12V时)。
该PWM控制电路能够将占空比从0%线性调整到95%。一个使能功能,一个过电流保护功能内置。内置一个内部补偿块以最小化外部组件计数。
n宽3.6V至24V输入电压范围
n 0.22V FB可调LED驱动电流
n直接驱动6系列1W LED(车辆识别号>=12V)
n固定400KHz开关频率
n最大2A开关电流能力
n效率高达92%
n优良的线路和负载调节
n EN PIN TTL关断能力&具有PWM调光功能
n内部优化功率MOSFET
n内置软启动功能
n内置频率补偿
n内置热关机功能
n内置电流限制函数

CXLE8865固定频率的PWM升压LED恒流驱动PWM控制电路将占空比从0%线性调整到95%频率补偿PWM调光功能2A开关电流

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   产品概述 返回TOPySp嘉泰姆


The CXLE8865 regulator is fixed frequency PWM Boost (step-up) LED constant current driver, capable of driving Series 1W LED units with excellent line and load regulation. The regulator is simple to use because it includes internal frequency compensation and a fixed-frequency oscillator so that it requires a minimum number of external components to work. The CXLE8865 could directly drive 6 Series 1W LED units at VIN>12V . 

The PWM control circuit is able to adjust the duty ratio linearly from 0 to 95%. An enable function, an over current protection function is built inside. An internal compensation block is built in to minimize external component count.

   产品特点 返回TOPySp嘉泰姆


n Wide 3.6V to 24V Input Voltage Range ySp嘉泰姆

n 0.22V FB adjustable LED drive current ySp嘉泰姆

n Directly drive 6 Series 1W LED at VIN>=12V ySp嘉泰姆

n Fixed 400KHz Switching Frequency ySp嘉泰姆

n Max. 2A Switching Current Capability ySp嘉泰姆

n Up to 92% efficiency ySp嘉泰姆

n Excellent line and load regulation ySp嘉泰姆

n EN PIN TTL shutdown capability & With PWM Dimming Function ySp嘉泰姆

n Internal Optimize Power MOSFET ySp嘉泰姆

n Built in Soft-Start Function ySp嘉泰姆

n Built in Frequency Compensation ySp嘉泰姆

n Built in Thermal Shutdown Function ySp嘉泰姆

n Built in Current Limit Function ySp嘉泰姆

n Available in SOP8 packageySp嘉泰姆

   应用范围 返回TOPySp嘉泰姆


n LED Lighting ySp嘉泰姆

n Boost constant current driver n Monitor LED Backlighting ySp嘉泰姆

n 7’ to 15’ LCD PanelsySp嘉泰姆

   技术规格书(产品PDF) 返回TOP ySp嘉泰姆


     需要详细的PDF规格书请扫一扫微信联系我们,还可以获得免费样品以及技术支持!ySp嘉泰姆

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产品封装图 返回TOPySp嘉泰姆


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电路原理图 返回TOPySp嘉泰姆


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◀ 上一篇:CXLE8864宽3.6V至24V输入电压稳压器是固定频率的PWM升压LED恒流驱动器驱动1W LED单元内部频率补偿和固定频率振荡器PWM控制电路能够将占空比从0%线性调整到90%固定400KHz开关频率2A开关电流

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下一篇▶:CXLE8865B升压恒流型LED驱动器DC5V到40V输入电压低纹波内置功率MOS固定频率振荡器与频率补偿电路驱动5至10串1W LED PWM控制环路可以调节占空比从0~90%之间线性变化EN脚TTL关断功能