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 ]
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目录
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）
一.产品概述
The CXLE8622 CXLE8623 is a CMOS based White/Blue LED driver with stand-alone capability.
The driver is primarily designed for LED backlighting of LCD display powered by Li-ion
battery With its high efficiency, low standby current and wide range of input supply
voltage, the CXLE8622 CXLE8623 is suitable for applications such as portable device
display and keypad backlighting. In portable application, three or four-channel LED
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.
二.产品特点
No external component required
PWM dimming control available
Low noise and EMI
LED sink current of 20mA
Independent current sink circuit for each LED output
Versatile supply voltage range
Low standby current
High accuracy current match on each channel
三.应用范围
Small Size Color LCD Backlights Driver
Mobile Phone, Portable DeviEN Keypad Backlights Driver
四.技术规格书（产品PDF)
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！
五.产品封装图
六.电路原理图
七.相关芯片选择指南
| 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 |
◀ 上一篇:CXLE86189支持升压升降压降压的拓扑结构输入电压4.2V~40V固定工作频率电流模式来调节LED电流系统瞬态响应快高位电流检测技术逐周期过流保护外置MOS管驱动模拟调光和10kHz PWM调光
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