CXLE8622

CXLE8622 CXLE8623是一款基于CMOS的白色/蓝色LED驱动器,具有独立功能。该驱动器主要用于锂离子驱动的液晶显示器的LED背光电池效率高,待机电流小,输入电源范围广
电压,CXLE8622 CXLE8623适用于便携式设备等应用显示屏和键盘背光。在便携式应用中,三通道或四通道LED解决方案很流行。CXLE8622 CXLE8623有三个带SOT-23-6封装的LED通道。CXLE8622 CXLE8623有四个LED通道
无需外部组件
提供脉宽调制调光控制
低噪声和电磁干扰
20毫安LED接收器电流
每个LED输出的独立电流接收器电路
多功能电源电压范围
低待机电流
各通道高精度电流匹配

CXLE8622 CMOS的白色蓝色LED驱动器锂离子驱动的液晶显示器的LED背光电池效率高四个LED通道提供脉宽调制调光控制每个LED输出的独立电流接收器电路用于便携式设备等应用显示屏和键盘背光

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产品简介

目录oIc嘉泰姆

   1.产品概述   2.产品特点   3.应用范围    4.技术规格书下载(PDF文档)oIc嘉泰姆

   5.产品封装   6.电路原理图  7.相关产品oIc嘉泰姆

一.产品概述oIc嘉泰姆


  The CXLE8622 CXLE8623 is a CMOS based White/Blue LED driver with stand-alone capability. oIc嘉泰姆

The driver is primarily designed for LED backlighting of LCD display powered by Li-ion oIc嘉泰姆

battery With its high efficiency, low standby current and wide range of input supply oIc嘉泰姆

voltage, the CXLE8622 CXLE8623 is suitable for applications such as portable device oIc嘉泰姆

display and keypad backlighting. In portable application, three or four-channel LED oIc嘉泰姆

solutions are popular. CXLE8622 CXLE8623 has three LED channels with a SOT-23-6 package. CXLE8622 CXLE8623 has four LED channels with a MSOP- 8 package.oIc嘉泰姆

二.产品特点oIc嘉泰姆


No external component required  oIc嘉泰姆

PWM dimming control available  oIc嘉泰姆

Low noise and EMI  oIc嘉泰姆

LED sink current of 20mA  oIc嘉泰姆

Independent current sink circuit for each LED output  oIc嘉泰姆

Versatile supply voltage range oIc嘉泰姆

Low standby current  oIc嘉泰姆

High accuracy current match on each channeloIc嘉泰姆

三.应用范围oIc嘉泰姆


Small Size Color LCD Backlights Driver  oIc嘉泰姆

Mobile Phone, Portable DeviEN Keypad Backlights Driver    oIc嘉泰姆

四.技术规格书(产品PDF)oIc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!oIc嘉泰姆

 QQ截图20160419174301.jpgoIc嘉泰姆

五.产品封装图oIc嘉泰姆


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六.电路原理图oIc嘉泰姆


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七.相关芯片选择指南oIc嘉泰姆


线性恒流LED驱动电路(Linear Constant LED Driver)
Part No. Mode VIN No. Channels Driving Current Freq. (MHz) Accu. Channel Matching Package Application
CXLE8622 Linear 2.7~6V 3 20mAx3 N/A ±3% N/A SOT23-6 PHONE,PDA,GPS
CXLE8623 Linear 2.8~5.5V 4 20mA×4 N/A ±3% ±3% MSOP8 PHONE,PDA,GPS

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