产品概述
CXLE81128 is a high integrated and high performance Cold Cathode Fluorescent Lamp (CCFL) controller optimized for LCD monitor backlight application. It integrates high precision (2%) 4 channels of current and voltage feedback control, and thus provides a low-cost and high reliability LCD backlight solution with minimum system BOM count. CXLE81128 controls full bridge topology and supports various dimming functions and comprehensive protections.CXLE81128是一款高度集成的高性能冷阴极荧光灯(CCFL)控制器,针对LCD显示器背光应用进行了优化。它集成了高精度(2%)4通道的电流和电压反馈控制,从而以最少的系统BOM数量提供了一种低成本,高可靠性的LCD背光解决方案。CXLE81128控制全桥拓扑,并支持各种调光功能和全面的保护。
产品特点 返回TOPyWg嘉泰姆
◆ Minimal required external componentsyWg嘉泰姆
◆ Full bridge topologyyWg嘉泰姆
◆ High Precision Reference and Frequency ControlyWg嘉泰姆
◆ External programmability of the key parametersyWg嘉泰姆
◆ Flexible Dimming mode Control:yWg嘉泰姆
◇ Analog dimming controlyWg嘉泰姆
◇ Internal burst dimming controlyWg嘉泰姆
◇ External burst (LPWM) dimming controlyWg嘉泰姆
◇ 0-3V DC voltage direct dimming control without external circuitsyWg嘉泰姆
◆ Comprehensive Protection Coverage:yWg嘉泰姆
◇ Output over voltage protection (OVP)yWg嘉泰姆
◇ Output over current protection (OCP)yWg嘉泰姆
◇ Open lamp protection and short lamp protectionyWg嘉泰姆
◇ Arcing protectionyWg嘉泰姆
◆ Available in SOP20 and SSOP20 packages,RoHS compliantyWg嘉泰姆
◆所需的外部组件最少yWg嘉泰姆
◆全桥拓扑结构yWg嘉泰姆
◆高精度参考和频率控制yWg嘉泰姆
◆关键参数的外部可编程功能yWg嘉泰姆
◆灵活的调光模式控制:yWg嘉泰姆
◇模拟调光控制yWg嘉泰姆
◇内部突发调光控制yWg嘉泰姆
◇外部突发(LPWM)调光控制yWg嘉泰姆
◇ 0-3V DC电压直接调光控制,无需外部电路yWg嘉泰姆
◆全面的保护范围:yWg嘉泰姆
◇输出过压保护(OVP)yWg嘉泰姆
◇输出过流保护(OCP)yWg嘉泰姆
◇开路灯保护和短灯保护yWg嘉泰姆
◇电弧保护yWg嘉泰姆
◆提供SOP20和SSOP20封装,符合RoHS的yWg嘉泰姆
应用范围 返回TOPyWg嘉泰姆
LCD CCFL backlight system inyWg嘉泰姆
◆ LCD Monitor/TVyWg嘉泰姆
LCD CCFL背光系统yWg嘉泰姆
◆LCD监视器/电视的yWg嘉泰姆
技术规格书(产品PDF) 返回TOP yWg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!yWg嘉泰姆
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产品封装图 返回TOPyWg嘉泰姆
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电路原理图 返回TOPyWg嘉泰姆
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相关芯片选择指南 返回TOP 更多产品...... yWg嘉泰姆
CCFL背光驱动系列 |
Product Number |
Topology |
Striking Mode |
External PWM Dimming |
Analog Dimming |
Internal Burst Dimming |
Supply Voltage Detection |
Output OVP |
OLP |
OCP |
Soft-start |
CXLE81125 |
Push Pull |
Fix Frequency |
Y |
Y |
N |
N |
N |
Y |
Y |
Y |
CXLE81126 |
Push Pull |
Fix Frequency |
Y |
Y |
Y |
N |
Y |
Y |
Y |
Y |
CXLE81127/N |
Push Pull |
Fix Frequency |
Y |
Y |
Y |
Y |
Y |
Y |
Y |
Y |
CXLE81128 |
Full Bridge |
Fix Frequency |
Y |
Y |
Y |
N |
Y |
Y |
Y |
Y |
CXLE81129 |
Push Pull |
Fix Frequency |
Y |
Y |
Y |
N |
Y |
Y |
Y |
Y |