CXLE8868

CXLE8868稳压器是固定频率的PWM升压(升压)LED恒流驱动器,能够驱动1W/3W/5W系列LED单元,具有出色的线路和负载调节能力。该调节器使用简单,因为它包括内部频率补偿和固定频率振荡器,因此它需要最少数量的外部组件才能工作。CXLE8868可以直接驱动11系列1W LED单元(在车辆识别号>12V时)。
该PWM控制电路能够将占空比从0%线性调整到95%。一个使能功能,一个过电流保护功能内置。内置一个内部补偿块以最小化外部组件计数。
n宽3.6V至32V输入电压范围
n 0.22V FB可调LED驱动电流
n直接驱动11系列1W LED(车辆识别号>=12V)
n固定180KHz开关频率
n最大4A开关电流能力
n效率高达94%
n优良的线路和负载调节
n EN PIN TTL关断能力&具有PWM调光功能
n内部优化功率MOSFET
n内置软启动功能
n内置频率补偿
n内置热关机功能
n内置电流限制函数

CXLE8868稳压器是固定频率的PWM升压LED恒流驱动器驱动1W/3W/5W系列LED单元内部频率补偿宽3.6V至32V输入电压4A开关电流有PWM调光功能PWM控制电路能够将占空比从0%线性调整到95%

产品手册

产品订购

产品简介

目录

   产品概述 返回TOPm7h嘉泰姆


The CXLE8868 regulator is fixed frequency PWM Boost (step-up) LED constant current driver, capable of driving Series 1W/3W/5W LED units with excellent line and load regulation. The regulator is simple to use because it includes internal frequency compensation and a fixed-frequency oscillator so that it requires a minimum number of external components to work. The CXLE8868 could directly drive 11 Series 1W LED units at VIN>12V . 

The PWM control circuit is able to adjust the duty ratio linearly from 0 to 95%. An enable function, an over current protection function is built inside. An internal compensation block is built in to minimize external component count.

   产品特点 返回TOPm7h嘉泰姆


n Wide 3.6V to 32V Input Voltage Range m7h嘉泰姆

n 0.22V FB adjustable LED drive current m7h嘉泰姆

n Directly drive 11 Series 1W LED at VIN>=12V m7h嘉泰姆

n Fixed 180KHz Switching Frequency m7h嘉泰姆

n Max. 4A Switching Current Capability m7h嘉泰姆

n Up to 94% efficiency m7h嘉泰姆

n Excellent line and load regulation m7h嘉泰姆

n EN PIN TTL shutdown capability & With PWM Dimming Function m7h嘉泰姆

n Internal Optimize Power MOSFET m7h嘉泰姆

n Built in Soft-Start Function m7h嘉泰姆

n Built in Frequency Compensation m7h嘉泰姆

n Built in Thermal Shutdown Function m7h嘉泰姆

n Built in Current Limit Function m7h嘉泰姆

n Available in TO252-5L packagem7h嘉泰姆

   应用范围 返回TOPm7h嘉泰姆


n LED Lighting m7h嘉泰姆

n Boost constant current driver m7h嘉泰姆

n Monitor LED Backlighting m7h嘉泰姆

n 7’ to 15’ LCD Panelsm7h嘉泰姆

   技术规格书(产品PDF) 返回TOP m7h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!m7h嘉泰姆

 QQ截图20160419174301.jpgm7h嘉泰姆

产品封装图 返回TOPm7h嘉泰姆


blob.pngm7h嘉泰姆

电路原理图 返回TOPm7h嘉泰姆


 m7h嘉泰姆

blob.png

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


升压型LED射灯驱动ICm7h嘉泰姆

型号m7h嘉泰姆

工作电压范围m7h嘉泰姆

输出电流m7h嘉泰姆

输出电流精度m7h嘉泰姆

效率m7h嘉泰姆

工作频率m7h嘉泰姆

调光功能m7h嘉泰姆

封装 m7h嘉泰姆

CXLE8856m7h嘉泰姆

0.9V-6.0Vm7h嘉泰姆

1Am7h嘉泰姆

-m7h嘉泰姆

90%m7h嘉泰姆

1.0 MHzm7h嘉泰姆

PWM调光m7h嘉泰姆

SOT-26m7h嘉泰姆

CXLE8857Bm7h嘉泰姆

0.8V-5.5Vm7h嘉泰姆

外置MOS/15Wm7h嘉泰姆

3%m7h嘉泰姆

90%m7h嘉泰姆

700KHzm7h嘉泰姆

PWM调光500Hz-1KHzm7h嘉泰姆

SOT-26m7h嘉泰姆

CXLE8858m7h嘉泰姆

3V-24Vm7h嘉泰姆

内置2A MOSm7h嘉泰姆

2%m7h嘉泰姆

90%m7h嘉泰姆

1.2MHzm7h嘉泰姆

PWM调光m7h嘉泰姆

SOT-26m7h嘉泰姆

CXLE8858Bm7h嘉泰姆

2.7V-6.5Vm7h嘉泰姆

内置2.8A MOSm7h嘉泰姆

2%m7h嘉泰姆

90%m7h嘉泰姆

1MHzm7h嘉泰姆

PWM调光m7h嘉泰姆

SOT-26m7h嘉泰姆

CXLE8859m7h嘉泰姆

2.5V-30Vm7h嘉泰姆

内置3A MOSm7h嘉泰姆

2%m7h嘉泰姆

90%m7h嘉泰姆

460KHzm7h嘉泰姆

模拟调光/PWM调光m7h嘉泰姆

SOP-8m7h嘉泰姆

CXLE8860m7h嘉泰姆

2.2V-6Vm7h嘉泰姆

内置3A MOSm7h嘉泰姆

2%m7h嘉泰姆

90%m7h嘉泰姆

800KHzm7h嘉泰姆

PWM调光m7h嘉泰姆

SOP-8m7h嘉泰姆

CXLE8861m7h嘉泰姆

2.2V-6Vm7h嘉泰姆

内置3A MOSm7h嘉泰姆

2%m7h嘉泰姆

90%m7h嘉泰姆

800KHzm7h嘉泰姆

PWM调光m7h嘉泰姆

DFN3*3-8m7h嘉泰姆

CXLE8862m7h嘉泰姆

10V-35Vm7h嘉泰姆

内置3A MOSm7h嘉泰姆

2%m7h嘉泰姆

90%m7h嘉泰姆

800KHzm7h嘉泰姆

PWM调光m7h嘉泰姆

SOP-8m7h嘉泰姆

CXLE8863m7h嘉泰姆

4.5V--24Vm7h嘉泰姆

1Am7h嘉泰姆

2%m7h嘉泰姆

90%m7h嘉泰姆

800KHzm7h嘉泰姆

PWM调光m7h嘉泰姆

ESOP8m7h嘉泰姆

CXLE8864m7h嘉泰姆

3.6V-26Vm7h嘉泰姆

2Am7h嘉泰姆

2%m7h嘉泰姆

92%m7h嘉泰姆

400KHzm7h嘉泰姆

PWM调光m7h嘉泰姆

SOP-8m7h嘉泰姆

CXLE8865m7h嘉泰姆

3.6V-26Vm7h嘉泰姆

2Am7h嘉泰姆

2%m7h嘉泰姆

92%m7h嘉泰姆

400KHzm7h嘉泰姆

PWM调光m7h嘉泰姆

SOP-8m7h嘉泰姆

CXLE8865Bm7h嘉泰姆

5V-45Vm7h嘉泰姆

2Am7h嘉泰姆

2%m7h嘉泰姆

93%m7h嘉泰姆

400KHzm7h嘉泰姆

PWM调光m7h嘉泰姆

SOP-8m7h嘉泰姆

CXLE8866m7h嘉泰姆

8V-32Vm7h嘉泰姆

内置8A MOSm7h嘉泰姆

2%m7h嘉泰姆

92%m7h嘉泰姆

1MHzm7h嘉泰姆

PWM调光m7h嘉泰姆

SOP-14m7h嘉泰姆

CXLE8867m7h嘉泰姆

8V-32Vm7h嘉泰姆

外置MOS/36Wm7h嘉泰姆

2%m7h嘉泰姆

94%m7h嘉泰姆

1MHzm7h嘉泰姆

PWM调光m7h嘉泰姆

ESOP-8m7h嘉泰姆

CXLE8868m7h嘉泰姆

3.6V-36Vm7h嘉泰姆

4Am7h嘉泰姆

2%m7h嘉泰姆

94%m7h嘉泰姆

180KHzm7h嘉泰姆

PWM调光m7h嘉泰姆

TO252-5Lm7h嘉泰姆

CXLE8869m7h嘉泰姆

5.0V-36Vm7h嘉泰姆

5Am7h嘉泰姆

2%m7h嘉泰姆

94%m7h嘉泰姆

180KHzm7h嘉泰姆

PWM调光m7h嘉泰姆

TO-263-5Lm7h嘉泰姆

◀ 上一篇:CXLE8865B升压恒流型LED驱动器DC5V到40V输入电压低纹波内置功率MOS固定频率振荡器与频率补偿电路驱动5至10串1W LED PWM控制环路可以调节占空比从0~90%之间线性变化EN脚TTL关断功能

返回顶部

下一篇▶:CXLE8869固定频率的PWM升压LED恒流驱动器驱动1W/3W/5W系列LED单元PWM控制电路能够将占空比从0%线性调整到90%宽5V至32V输入电压最大升压输出高达60V