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首页 > Products > Led Driver > Non isolated LED Driver > Non Isolated linear Constant Current LED driver >Cxle8766b has built-in 500vmos non isolated step-down LED driver controller Integrated with 500V high-voltage MOS, high constant current precision
Cxle8766b has built-in 500vmos non isolated step-down LED driver controller Integrated with 500V high-voltage MOS, high constant current precision

low-cost non isolated step-down LED driver chip, the chip realizes high-precision constant current control by directly sampling output current, the inductive current works in critical continuous mode, reduces switching loss of power devices, avoids reverse recovery of continuous current diode, and ensures high efficiency of the system. Cxle8765a is directly powered by input voltage without auxiliary winding, It simplifies the peripheral components. The chip has built-in high-voltage start technology.

Cxle8766b has built-in 500vmos non isolated step-down LED driver controller Integrated with 500V high-voltage MOS, high constant current precision
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1.产品概述    2.产品特点     AJC嘉泰姆

3.应用范围    4.技术规格书下载（PDF文档）AJC嘉泰姆

5.产品封装    6.电路原理图  AJC嘉泰姆

     7.相关产品AJC嘉泰姆

产品概述                                            返回TOP

CXLE8766B 内置500VMOS非隔离降压LED驱动控制器，集成500V高压MOS,高恒流精度,低成本的非隔离型降压LED驱动芯片,芯片通过直接采样输出电流来实现高精度的恒流控制,电感电流工作在临界连续模式,减小了功率器件的开关损耗,避免续流二极管反向恢复,确保系统具有高效率,CXLE8765A直接由输入电压供电,无需辅助绕组,简化了外围元件.芯片内置高压启动技术,在全电压范围内启动时间小于0.1S,实现LED灯即开即亮,芯片集成了多种保护功能,极大的增强了系统的安全性和可靠

产品特点     返回TOP

◆集成500V，低Rdson MOSFET  JW1780A: 30Ω, 60mA  AJC嘉泰姆
CXLE8765A: 15Ω, 120mA  JW1780C: 10Ω, 200mAAJC嘉泰姆
◆优秀的线性调整率和负载调整率AJC嘉泰姆
◆临界导通模AJC嘉泰姆
◆全工作范围内高效率AJC嘉泰姆
◆逐周期限流AJC嘉泰姆
◆LED开路/短路保护AJC嘉泰姆
◆VDD UVLO（欠压保护）AJC嘉泰姆
◆片内及片外智能热保护功能AJC嘉泰姆
◆brown Out protectionAJC嘉泰姆
◆TO-92封装3W效率做到82%，5-7W效率可以达到86-90%的效率

应用范围                                             返回TOP

LED灯丝灯，蜡烛灯，球泡灯，国内T5，T8管

技术规格书（产品PDF)         返回TOP 

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！AJC嘉泰姆

 QQ截图20160419174301.jpgAJC嘉泰姆

产品封装图                                               返回TOP

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电路原理图                                               返回TOP

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相关芯片选择指南                                      返回TOP

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Next▶:Cxle8817 is a wall switch type non isolated step-down dimming LED Driver IC The chip works in the critical continuous mode of inductive current chip is internally integrated

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