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首页 > Products > Led Driver > Isolated LED Driver > Isolated No PFC >Cxle8404 is a high-performance primary side feedback control power switch chip applied to off-line low-power AC / DC switching power supply
Cxle8404 is a high-performance primary side feedback control power switch chip applied to off-line low-power AC / DC switching power supply

It can achieve high-precision constant current output within the full voltage input range, with accuracy less than ?5%, without loop compensation, and can save optocoupler, TL431, transformer auxiliary winding and other components and reduce costs. In order to improve the reliability of the system, some protection functions are integrated in the chip, such as cycle by cycle peak current limitation, FB over-voltage protection, output on / short-circuit protection and soft start-up

Cxle8404 is a high-performance primary side feedback control power switch chip applied to off-line low-power AC / DC switching power supply
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   产品概述 返回TOPKyW嘉泰姆


CXLE8404是应用于离线式小功率AC/DC 开关电源的高性能的原边反馈控制功率开关芯片,在全电压输入范围内实现高精度恒流输出,精度小于±5%,无需环路补偿,并可使系统节省光耦,TL431 以及变压器

辅助绕组等元件,降低成本。芯片内部集成了逐周期峰值电流限制,FB 过压保护,输出开/短路保护KyW嘉泰姆

和开机软启动等保护功能,以提高系统的可靠性。KyW嘉泰姆

   产品特点 返回TOPKyW嘉泰姆


拓扑结构支持:反激及低成本BUCK-BoostKyW嘉泰姆

采用700V 单芯片集成工艺KyW嘉泰姆

宽电压85Vac~265Vac 输入电压范KyW嘉泰姆

围内恒流精度小于±5%KyW嘉泰姆

全电压范围内兼容1~5WKyW嘉泰姆

无需辅助绕组的原边KyW嘉泰姆

反馈控制技术可使系统节省光耦、431 等元件KyW嘉泰姆

无需环路补偿KyW嘉泰姆

内置前沿消隐电路(LEB)KyW嘉泰姆

逐周期峰值电流比较KyW嘉泰姆

输出开/短路保护KyW嘉泰姆

内置开机软启动KyW嘉泰姆

内置FB 过压保护及短路保护等功能KyW嘉泰姆

封装形式:SOP8KyW嘉泰姆

   应用范围 返回TOPKyW嘉泰姆


   aKyW嘉泰姆

   技术规格书(产品PDF) 返回TOP KyW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!KyW嘉泰姆

 QQ截图20160419174301.jpgKyW嘉泰姆

产品封装图 返回TOPKyW嘉泰姆


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电路原理图 返回TOPKyW嘉泰姆


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