产品概述

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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TOP20o嘉泰姆

◆ Minimal required external components20o嘉泰姆
◆ Current mode boost topology20o嘉泰姆
◆ ±3% matching accuracy between 8 LED strings control current20o嘉泰姆
◆ High precision reference and Selective-Frequency (160KHz/320KHz/640KHz/1.2MHz) control20o嘉泰姆
◆ External programmability of the key parameters20o嘉泰姆
◆ Flexible Dimming mode Control: 20o嘉泰姆
◇ Internal burst, external burst (LPWM) dimming control 20o嘉泰姆
◇ 0-2V DC voltage or external PWM direct dimming control without external circuits20o嘉泰姆
◇ Dimming range programmable (100%~0%)20o嘉泰姆
◆ Comprehensive protection coverage:20o嘉泰姆
◇ Output over voltage protection (OVP)20o嘉泰姆
◇ Under voltage lockout 20o嘉泰姆
◇ Open LED protection and programmable short LED protection20o嘉泰姆
◇ Over temperature protection (OTP)20o嘉泰姆
◆ Available in QFN24/TSSOP24 packages, RoHS compliant20o嘉泰姆

   应用范围 返回TOP20o嘉泰姆

◆ Notebook PC20o嘉泰姆
◆ LCD monitor20o嘉泰姆
◆ LCD TV20o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！20o嘉泰姆

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