CXLE8168是一款具有宽输入电压范围、专为驱动白光LED设计的恒流升压转换器。凭借其特殊的拓扑结构,芯片提供的负载电压既可以高于输入电压,又可以低于输入电压。芯片可以同时对多路串、并联的LED提供精准的电流调制。CXLE8168具有Analog/PWM两种模式的亮度调节功能,只需要在CTRL引脚加入Analog/PWM信号即可对LED亮度进行控制。芯片的工作频率高达1MHz,结合以脉宽调制(PWM)的工作模式,在保证最小输入纹波的情况下允许用户使用较小的输入/输出电容和电感。可编程的软启动能够消除芯片启动时的浪涌电流。
 
[ CXLE8168 ]
产品技术资料帮助
查看全部>
7.相关产品
产品概述 返回TOP
产品特点 返回TOP
• 6~25V输入电源电压
• 32V过压保护
• 效率高达90%
• PWM和Analog两种调光方式
• 高压功率管内置
• 1MHz开关频率
• 小尺寸外围电感、电容
• 3mm × 3mm TDFN8封装
• 符合RoHS规范及Pb-Free
6V to 25V Input Range
32V (typ.) Output with Overvoltage Protection
Up to 90% Efficiency
Flexible Analog or PWM Dimming Control
Internal High Power MOSFET Switch
1MHz PWM Operation
Small, Low-Profile Inductors and Capacitors
3mm× 3mm TDFN-8 Package
RoHS Compliant and 100% Lead (Pb)-Free
应用范围 返回TOP
• 7~10吋白光LED背光显示驱动
• 12V汽车显示系统
• PDVD和微型笔记
• LED照明设备
7~10 inch White LED Display Backlighting
12V Automotive Display System
PDVD and Subnotebooks
LED Lighting
技术规格书(产品PDF) 返回TOP
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!
 
产品封装图 返回TOP
a
电路原理图 返回TOP

| 白光LED驅動器 > LED背光 | |||||||||
| Part Number | remark | Vin (V) | Vout (max)(V) | FB(V) | IQ(mA) | Isw(A) | Max LED | Peak Efficency (%) | Package | 
| Small Package, High Performance, Asynchronies Boost for WLED Driver | 2.6~5.5 | 18 | 0.2 | 0.4 | 2 | 15P3S | 93 | TSOT23-5 | |
| White LED Driver For Buck-Boost Application | 6~25 | 32 | Vctrl/10 | 1.3 | 1.4 | 3 x 9 = 27 | 90 | TDFN-8 | |
| White LED Boost Converter with PWM Dimming and Single-Wire Interface | 2.7~5.5 | 38 | 0.2 | 0.35 | 1.3 | 12 | 91 | TDFN-6 | |
| 10 White LED Boost Converter with PWM Dimming and Single-Wire Series Interface | 2.5 ~ 5.5 | 38.5 | 0.2/0.3 | 0.3 | 1.3 | 12 | 88 | TSOT23-6,SOT23-6 | |
| 10 White LED Boost Converter with PWM Dimming | 2.5~5.5 | 38.5 | 0.2 | 0.3 | 1.3 | 12 | 88 | TSOT23-6 | |
| 6 String White LED Driver with Boost Converter | 2.5~24 | 43 | 0.5 | 2 | 2.5 | 6 × 10= 60 | 90 | TQFN-20 | |
| 4 Strings High Current White LED Driver with Boost Controller | 4.5~28 | 65 | 0.6 | 0.75 | - | 4 x 18 =72 | 93 | SOP-16 | |
| 12 String White LED Driver With Boost Controller | 4.5~28 | 65 | 0.6 | 1.5 | - | 216 | 93 | TSSOP-28(EP) | |
◀ 上一篇:CXLE8167白光LED阵列的高频升压驱动芯片2.0A电流极限为7~10吋LCD面板提供背光驱动13并3/4串白光LED阵列1MHz固定频率电流控制模式升压架构
下一篇▶:CXLE8169白光LED设计的升压型恒流驱动器驱动单串10LED串连负载1.2MHz震荡频率1.3A电流极限单线协议提供32阶LED电流调节PWM调光信号的占空比决定反馈电压
| 
 | |||||||||||||||||