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CXLE81122 is a high integrated and high performance Light Emitting Diode (LED) driver optimized for LCD monitor backlight application. It integrates 8 channels of current source to drive LED arrays, and thus provides a cost effective and high reliability LCD backlight solution. CXLE81122 operates in current mode boost topology, and supports various dimming functions and comprehensive protections.

   产品特点 返回TOPyTm嘉泰姆

◆ Minimal required external componentsyTm嘉泰姆
◆ Current mode boost topologyyTm嘉泰姆
◆ ±3% matching accuracy between 8 LED strings control currentyTm嘉泰姆
◆ High precision reference and Selective-Frequency (160KHz/320KHz/640KHz/1.2MHz) controlyTm嘉泰姆
◆ External programmability of the key parametersyTm嘉泰姆
◆ Flexible Dimming mode Control: yTm嘉泰姆
◇ Internal burst, external burst (LPWM) dimming control yTm嘉泰姆
◇ 0-2V DC voltage or external PWM direct dimming control without external circuitsyTm嘉泰姆
◇ Dimming range programmable (100%~0%)yTm嘉泰姆
◆ Comprehensive protection coverage:yTm嘉泰姆
◇ Output over voltage protection (OVP)yTm嘉泰姆
◇ Under voltage lockout yTm嘉泰姆
◇ Open LED protection and programmable short LED protectionyTm嘉泰姆
◇ Over temperature protection (OTP)yTm嘉泰姆
◆ Available in QFN24/TSSOP24 packages, RoHS compliantyTm嘉泰姆

   应用范围 返回TOPyTm嘉泰姆

◆ Notebook PCyTm嘉泰姆
◆ LCD monitoryTm嘉泰姆
◆ LCD TVyTm嘉泰姆

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     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！yTm嘉泰姆

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   电路原理图 返回TOPyTm嘉泰姆

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