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首页 > Products > Led Driver > LED Control Circuit > PWM Control IC >Cxle8941 is a constant frequency current source PWM controller designed for off-line and DC-DC switching power supply applications.
Cxle8941 is a constant frequency current source PWM controller designed for off-line and DC-DC switching power supply applications.

The internal protection circuit includes temperature compensation precision reference, adjustable oscillator for precise duty cycle regulation, high gain error amplifier, current sensing comparator, high current push-pull output stage suitable for power MOSFET drive, single cycle current limiting undervoltage lock, dead zone adjustable, single pulse counting lock, etc

Cxle8941 is a constant frequency current source PWM controller designed for off-line and DC-DC switching power supply applications.
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1.产品概述       2.产品特点     Imk嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)Imk嘉泰姆

5.产品封装       6.电路原理图  Imk嘉泰姆

7.相关产品Imk嘉泰姆

   产品概述 返回TOPImk嘉泰姆


CXLE8941是专为脱线和 DC-DC 开关电源应用设计的恒频电流型 PWM 控 制器。内部包含温度补偿精密基准、供精密占空比调节用的可调振荡器、高 增益误差放大器、电流传感比较器和适合作功率 MOSFET 驱动用的大电流推 挽输出级以及单周期徊滞式限流欠压锁定、死区可调、单脉冲计数拴锁等保 护电路。 CXLE8941 采用 DIP8/SOP8 的封装形式封装。Imk嘉泰姆

   产品特点 返回TOPImk嘉泰姆


 起动电流小(< 0.5mA)Imk嘉泰姆

 自动前馈补偿Imk嘉泰姆

 具有徊滞特性的欠压锁定Imk嘉泰姆

 最大占空比箝制Imk嘉泰姆

 工作频率可达 500kHzImk嘉泰姆

   应用范围 返回TOPImk嘉泰姆


   aImk嘉泰姆

   技术规格书(产品PDF) 返回TOP Imk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!Imk嘉泰姆

 QQ截图20160419174301.jpgImk嘉泰姆

产品封装图 返回TOPImk嘉泰姆


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电路原理图 返回TOPImk嘉泰姆


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通用PWM控制IC
型号 最大电源电压 启动电流 振荡频率 最大输出电流 平均电源电流 启动电压  维持电压 封装
CXLE8938 42V   1K-200KHz 200mA 7mA     DIP16/SOP16
CXLE8939 42V   1K-200KHz 200mA 7mA     DIP16/SOP16
CXLE8940 30V 0.12mA 47K-57KHz 12mA 12mA 16V 10V DIP8/SOP8
CXLE8941 30V 0.12mA 47K-57KHz 12mA 12mA 8.4V 7.6V DIP8/SOP8