CXLE81104

CXLE81104增压转换器包含一个0.7Ω的内部开关。该集成电路以恒定频率1MHz工作,允许使用微型、低成本和低高度的电感和电容器。集成电路的工作电压为2.7伏至5.5伏。使用软启动功能消除启动时的高涌入电流。恒定频率电流模式的PWM结构导致低,可预测的输出噪声。CXL8104包括逐周期的850Ma限流到最大电感电流和过温保护电路。当VOUT超过28V时,将启用过电压保护。LED的电流由FB和GND之间连接的电阻器设置
工作电压:2.7V至5.5V
·高工作频率:1兆赫
·高输出电压:28V
关闭电流:<1μA
·过电压保护
·数字调光控制
内置循环电流限制
·软启动功能
·0.2V低参考电压

CXLE81104高效率恒流Boost DC白光led驱动转换器工作电压2.7V至5.5V恒定频率电流模式的PWM结构导致低预测的输出噪声高输出电压28V

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1.产品概述       2.产品特点     bDc嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)bDc嘉泰姆

5.产品封装       6.电路原理图  bDc嘉泰姆

7.相关产品bDc嘉泰姆

   产品概述 返回TOPbDc嘉泰姆


The CXLE81104 boost converter contains a 0.7Ω internal switch. The IC operates at constant frequency 1MHz, allowing the use of tiny, low cost and low height inductors and capacitors. The IC operates from a 2.7V to 5.5V supply voltage. High inrush current at start-up is eliminated using the soft-start function. Constant frequency current mode PWM architecture results in low, predictable output noise. The CXLE81104 includes cycle-by-cycle 850mA current limiting to maximum inductor current and over-temperature protection circuit. The over-voltage protection will be enabled when VOUT exceeds 28V. The current of LED is set by a resistor connected between FB and GND. The CXLE81104 is available in SOT-23-6 & TDFN2X2-8 package.

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Operating Voltage:2.7V to 5.5V bDc嘉泰姆

„ High Operating Frequency:1MHz bDc嘉泰姆

„ High Output Voltage:28V bDc嘉泰姆

„ Shutdown Current:<1μA bDc嘉泰姆

„ Over-Voltage Protection bDc嘉泰姆

„ Digital Dimming Control bDc嘉泰姆

„ Built-in Cycle-by-Cycle Current-Limiting bDc嘉泰姆

„ Soft-Start Function bDc嘉泰姆

„ 0.2V Low Reference Voltage bDc嘉泰姆

„ SOT-23-6 & TDFN2X2-8 PackagebDc嘉泰姆

   应用范围 返回TOPbDc嘉泰姆


„ LED Module bDc嘉泰姆

„ Compact Back Light Module bDc嘉泰姆

„ Constant Current SourcebDc嘉泰姆

   技术规格书(产品PDF) 返回TOP bDc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bDc嘉泰姆

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产品封装图 返回TOPbDc嘉泰姆


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电路原理图 返回TOPbDc嘉泰姆


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