CXLE8652

CXLE8652是一个2通道LED驱动器,专为电流调节而设计。它可用于各种电流调节电路,特别适用于LED应用。它使led工作在稳定的电流下,避免了电流变化引起的亮度不稳定,同时它的低电压可以降低功耗。VDD电源管脚的连接也可用于通过PWM信号控制led的亮度;因此适合需要亮度调整的应用。REXT引脚的连接可以用来控制输出电流,控制和驱动更多的LED。当REXT打开时,VCH1、VCH2引脚可提供30mA电流。要实现VCH1/VCH2电流超过60毫安的操作,请并联集成电路
•宽工作电源电压范围:2.5V~40V
•宽输出电压范围:2.5V~40V
•30mA至60mA/每通道汇电流
•准确的汇电流:± 5%
•VDD引脚作为OE功能:频率高达100KHz
•负温度系数:± 500ppm/oC

CXLE8652宽工作电源电压2.5V~40V低电压降低功耗2通道LED驱动器VDD电源管脚的连接通过PWM信号控制led的亮度REXT引脚的连接可以用来控制输出电流控制和驱动LED

产品手册

产品订购

产品简介

目录

   产品概述 返回TOPbOu嘉泰姆


The CXLE8652 is a 2-channel LED driver, designed for current regulation. It may be used in various current regulation circuits, especially suitable for LED applications. It lets LEDs work under stable current and avoid brightness unstable caused by current change, while its low voltage can reduce power consumption. The connection of the VDD power pin may also be used for brightness control of LEDs via PWM signals; therefore suitable for applications that need brightness adjustment. The connection of REXT pin can be used for the control of output current, to control and drive more LEDs. When REXT is open, VCH1, VCH2 pins may provide 30mA of current. To achieve operations with VCH1/VCH2 current over 60mA, connect the ICs in parallel.

   产品特点 返回TOPbOu嘉泰姆


• Wide operation supply voltage range: 2.5V ~ 40V bOu嘉泰姆

• Wide output voltage range: 2.5V~40V bOu嘉泰姆

• 30mA to 60mA /per channel sink current bOu嘉泰姆

• Accurate sink current: ± 5% bOu嘉泰姆

• VDD pin as OE function: up to 100KHz frequency bOu嘉泰姆

• Negative temperature coefficient: ± 500ppm/ oC bOu嘉泰姆

• Less than ±0.5%/V load regulation bOu嘉泰姆

• –40 oC ~+85 oC operation temperature range bOu嘉泰姆

• High temperature protection: 95 oC ~ 155oC bOu嘉泰姆

• Pb-free and green package: SOT89-5, SOT23-5bOu嘉泰姆

   应用范围 返回TOPbOu嘉泰姆


• LED Light Bars, LED Bulbs, LED Fluorescent Lights, LED BacklightbOu嘉泰姆

   技术规格书(产品PDF) 返回TOP bOu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!bOu嘉泰姆

 QQ截图20160419174301.jpgbOu嘉泰姆

产品封装图 返回TOPbOu嘉泰姆


blob.pngbOu嘉泰姆

电路原理图 返回TOPbOu嘉泰姆


blob.pngbOu嘉泰姆

相关芯片选择指南 返回TOP                                   更多同类产品......


低压线性降压LED驱动bOu嘉泰姆

型号bOu嘉泰姆

工作电压bOu嘉泰姆

 恒流值bOu嘉泰姆

工作电流bOu嘉泰姆

压差bOu嘉泰姆

工作结温bOu嘉泰姆

封装bOu嘉泰姆

说明bOu嘉泰姆

CXLE8644bOu嘉泰姆

2.5-24VbOu嘉泰姆

18mA/30mAbOu嘉泰姆

     

SOT-23bOu嘉泰姆

 

CXLE8645bOu嘉泰姆

2.5-24VbOu嘉泰姆

60mAbOu嘉泰姆

     

SOT-89bOu嘉泰姆

 

CXLE8648bOu嘉泰姆

2.8-6.5VbOu嘉泰姆

30mA--1.5AbOu嘉泰姆

175uAbOu嘉泰姆

350mVbOu嘉泰姆

-125bOu嘉泰姆

SOP-8bOu嘉泰姆

 

CXLE8649bOu嘉泰姆

2.7V-5.5VbOu嘉泰姆

10mA-1.5A/PWM调光bOu嘉泰姆

250uAbOu嘉泰姆

 

-125bOu嘉泰姆

ESOP-8bOu嘉泰姆

输入端可以扩展接400V高压bOu嘉泰姆

CXLE8650bOu嘉泰姆

4-32VbOu嘉泰姆

1A/可PWM/模拟调光bOu嘉泰姆

455uAbOu嘉泰姆

900mVbOu嘉泰姆

-190bOu嘉泰姆

ESOP8bOu嘉泰姆

 

CXLE8651bOu嘉泰姆

4-28VbOu嘉泰姆

5mA-60mAbOu嘉泰姆

400uAbOu嘉泰姆

150mVbOu嘉泰姆

-165bOu嘉泰姆

SOT-25bOu嘉泰姆

可接N串5-60mA LED灯串bOu嘉泰姆

CXLE8652bOu嘉泰姆

2.5-40VbOu嘉泰姆

30-60mA/2通道/PWM数字调光bOu嘉泰姆

400uAbOu嘉泰姆

 

-125bOu嘉泰姆

SOT89-5bOu嘉泰姆

可接2路N串30-60mA LED灯串bOu嘉泰姆

CXLE8653bOu嘉泰姆

5.0-40VbOu嘉泰姆

150mA/3通道/PWM数字调光bOu嘉泰姆

450uAbOu嘉泰姆

250mVbOu嘉泰姆

-140bOu嘉泰姆

ESOP8bOu嘉泰姆

可接3路N串150mA LED灯串bOu嘉泰姆

CXLE8654bOu嘉泰姆

2.0-40VbOu嘉泰姆

60/80/100mAbOu嘉泰姆

55uAbOu嘉泰姆

 

-125bOu嘉泰姆

SOT-89bOu嘉泰姆

可接N串60/80/100mA LED灯串bOu嘉泰姆

CXLE8655bOu嘉泰姆

2.5-40VbOu嘉泰姆

120/150mAbOu嘉泰姆

55uAbOu嘉泰姆

 

-125bOu嘉泰姆

SOT-223bOu嘉泰姆

可接N串120/150mA LED灯串bOu嘉泰姆

CXLE8656bOu嘉泰姆

3.0-40VbOu嘉泰姆

350/450mAbOu嘉泰姆

55uAbOu嘉泰姆

 

-125bOu嘉泰姆

TO-252bOu嘉泰姆

可接N串350/450mA LED灯串bOu嘉泰姆

CXLE8647bOu嘉泰姆

2.7-18V/输入端可接高压bOu嘉泰姆

10mA-扩流2.5AbOu嘉泰姆

80uAbOu嘉泰姆

50mVbOu嘉泰姆

-165bOu嘉泰姆

SOT89-5bOu嘉泰姆

 

◀ 上一篇:CXLE8651单通道LED恒流驱动控制芯片恒流设定和控制技术输出电流由外接REXT电阻设置为5mA~60mA输出电流不随芯片OUT端口电压而变化

返回顶部

下一篇▶:CXLE8653三通道线性恒流驱动芯片内部集成LED恒流控制OUT端口高压驱动PWM调光过温保护等功能模块DIM端口外接PWM信号来调节OUT端口输出电流大小VIN 端口输入电压5V~40V