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首页 > 产品中心 > LED驱动电路 > LED路灯草坪灯车灯台灯闪灯射灯照明驱动IC > 升压型LED射灯驱动IC >CXLE8858B高效的升压转换器内部集成22V功率MOSEFT驱动2A的输出电流脉宽调制亮度控制通过EN-pin集成的真正的PWM减小特性使我们能够进一步对输出电压进行数字编程
CXLE8858B高效的升压转换器内部集成22V功率MOSEFT驱动2A的输出电流脉宽调制亮度控制通过EN-pin集成的真正的PWM减小特性使我们能够进一步对输出电压进行数字编程
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CXLE8858B是一款高效的升压转换器,内部集成了22V功率MOSEFT。它以最佳的1兆赫频率运行,既能使用小型外部组件,又能提供最佳效率。它可以驱动高达2A的输出电流。通过EN-pin集成的真正的PWM减小特性使我们能够进一步对输出电压进行数字编程。为了获得最大保护,CXLE8858B具有一个OVP保护功能,可防止在打开状态下输出电压超过CXLE8858B和输出盖的最大额定值。
效率高达95%
22伏过电压保护
真正的脉宽调制亮度控制
200mV反馈电压
2.8A电流限制

CXLE8858B高效的升压转换器内部集成22V功率MOSEFT驱动2A的输出电流脉宽调制亮度控制通过EN-pin集成的真正的PWM减小特性使我们能够进一步对输出电压进行数字编程
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   产品概述 返回TOPUZu嘉泰姆


The CXLE8858B is a high efficiency step-up converter with an internally integrated 22V power MOSEFT. It runs with an optimal 1MHz frequency that enables the use of small external components while still providing the best efficiency. It can drive up to 2A output current. The incorporated true PWM-Diming feature through EN pin enable one further digitally program the output voltage lower. For maximum protection, the CXLE8858B has an OVP protection feature that prevents the output voltage exceeding the maximum rating of the CXLE8858B and the output cap during open conditions. 

CXLE8858B is available in a space-saving SOT23-6 package.

   产品特点 返回TOPUZu嘉泰姆


 Up to 95% Efficiency UZu嘉泰姆

 22V OVP protection UZu嘉泰姆

 True PWM Brightness Control UZu嘉泰姆

 200mV Feedback Voltage UZu嘉泰姆

 2.8A current limit UZu嘉泰姆

 SOT23-6 PackageUZu嘉泰姆

   应用范围 返回TOPUZu嘉泰姆


 Portable power bank UZu嘉泰姆

 Powering 3G module UZu嘉泰姆

 Large LCD display backlight driving up to 90 LEDs UZu嘉泰姆

 Satellite STBUZu嘉泰姆
 Bluetooth Speaker 
UZu嘉泰姆

 Large TFT screen bias UZu嘉泰姆

 Other application which needs high voltage and high current generationUZu嘉泰姆

   技术规格书(产品PDF) 返回TOP UZu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!UZu嘉泰姆

 QQ截图20160419174301.jpgUZu嘉泰姆

产品封装图 返回TOPUZu嘉泰姆


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电路原理图 返回TOPUZu嘉泰姆


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