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CXLE8115

CXLE8115是一款高度集成且经济高效的发光二极管（LED）驱动器，专为LCD显示器和LCD电视背光应用而优化。它提供了一个高性能的LED背光解决方案，以最小化BOM计数。
CXLE8115包含一个使用电流模式控制和固定频率操作来调节LED电流的PWM升压驱动器。LED电流通过外部电流感测电阻器感测。将传感电阻上的电压与参考电压200mV进行比较，放大误差以控制电源开关的脉冲宽度，从而调节流过LED的电流。
CXLE8115为广泛的调光控制提供了外部低频脉宽调制（LPWM）调光方法。CXLE8115提供全面的保护，如功率MOSFET过电流保护（OCP）、输出过电压保护（OVP）、IC电源欠电压锁定（UVLO）和LED开路保护

电流模式控和固定频率调节LED电流的PWM升压驱动器CXLE8115高度集成且经济高效LED驱动器为LCD显示器和LCD电视背光应用而优化高性能的LED背光解决方案

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   产品概述 返回TOPN53嘉泰姆

 CXLE8115 is a highly integrated and cost effective Light Emitting Diode (LED) driver optimized for LCD monitor and LCD TV backlighting application. It provides a high performance LED backlight solution with minimized BOM count. N53嘉泰姆

The CXLE8115 contains a PWM boost driver which uses current mode control and fixed frequency operation to regulate the LED current. The LED current is sensed through an external current sense resistor. The voltage across the sensing resistor is compared with reference level of 200mV, the error is amplified to control the pulse width of the power switch thus to regulate the current flowing the LED. 

The CXLE8115 offers external low frequency PWM (LPWM) dimming method for a wide range of dimming control. The CXLE8115 offers comprehensive protection such as power MOSFET over current protection (OCP), output over voltage protection (OVP), IC power supply under voltage lockout (UVLO), and LED open protection

   产品特点 返回TOPN53嘉泰姆

Current Mode PWM Controller with Good Dynamic Response N53嘉泰姆

10V to 35V Input Voltage Range N53嘉泰姆

External PWM Dimming Mode N53嘉泰姆

Over Voltage Protection N53嘉泰姆

 Over Current Protection N53嘉泰姆

Under Voltage Lockout (UVLO) N53嘉泰姆

Thermal ShutdownN53嘉泰姆

   应用范围 返回TOPN53嘉泰姆

 LCD Monitor N53嘉泰姆

 LCD TV N53嘉泰姆

 Flat panel displayN53嘉泰姆

   技术规格书（产品PDF) 返回TOP N53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！N53嘉泰姆

 QQ截图20160419174301.jpgN53嘉泰姆

产品封装图 返回TOPN53嘉泰姆

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电路原理图 返回TOPN53嘉泰姆

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◀ 上一篇:CXLE8114升压型DC转换器恒定电流驱动白光LED超大屏白灯背光驱动芯片连续驱动8个LED电流由外部电阻器RSET设定OVP电压可由两个外部电阻编程

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