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首页 > Products > Led Driver > Non isolated LED Driver > Non isolation Buck Constant Current High efficienc >Cxle8361 is a high power factor non isolated step-down LED constant current driver chip. The chip integrates a single-stage active power factor correction circuit, which is especially suitable
Cxle8361 is a high power factor non isolated step-down LED constant current driver chip. The chip integrates a single-stage active power factor correction circuit, which is especially suitable

Cxle8361 integrates a single-stage active power factor correction circuit. The system can achieve high power factor and low total harmonic distortion of input current. Cxle8361 works in quasi resonant switch mode, and the power tube is in zero current state. This effectively reduces the switching loss of the power tube, improves the system efficiency, and improves the EMI characteristics of the system.
Cxle8361 adopts the proprietary closed-loop feedback control technology. The chip can work in two ways: floating and field, and can achieve high-precision LED constant current output. Cxle8361 integrates line voltage and load compensation functions, and the system has excellent line voltage regulation and load regulation.

Cxle8361 is a high power factor non isolated step-down LED constant current driver chip. The chip integrates a single-stage active power factor correction circuit, which is especially suitable
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目录BwD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(产品PDF文档) BwD嘉泰姆
5.产品封装图   6.电路原理图  7.功能概述      8.相关产品
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一,产品概述(General Description)      BwD嘉泰姆


   CXLE8361是一款高功率因数的非隔离降压型LED恒流驱动芯片。芯片集成了单级有源功率因数校正BwD嘉泰姆
电路,特别适合于85VAC~265VAC全电压输入范围的高性能非隔离降压型LED照明系统应用。BwD嘉泰姆
     CXLE8361集成了单级有源功率因数校正电路,系统可以实现很高的功率因数和很低的输入电流总谐波BwD嘉泰姆
失真。CXLE8361工作在准谐振开关模式,功率管处于零电流状态导通。这有效地减小了功率管的开关损耗,BwD嘉泰姆
提高了系统效率,同时也改善了系统的EMI特性。BwD嘉泰姆
     CXLE8361采用专有的闭环反馈控制技术,芯片可以工作在浮地和实地两种方式,并能实现高精度的LEDBwD嘉泰姆
恒流输出。CXLE8361集成了线电压和负载补偿功能,系统具有优异的线电压调整率和负载调整率。BwD嘉泰姆
     CXLE8361工作电压范围宽,适用于85VAC~265VAC全电压范围的交流输入。同时CXLE8361集成了多种BwD嘉泰姆
保护功能以保证系统的稳定和可靠。包括VCC供电过压保护,VCC供电欠压保护,LED开路、短路保护,芯片BwD嘉泰姆
过温保护和电感逐周期限流等。BwD嘉泰姆
二.产品特点(Features)
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内置单级有源 PFC 功能BwD嘉泰姆
输入电流总谐波失真低BwD嘉泰姆
专有闭环反馈恒流控制BwD嘉泰姆
准谐振开关模式,开关损耗小BwD嘉泰姆
±3%的 LED 输出电流精度BwD嘉泰姆
优异的线电压调整率和负载调整率BwD嘉泰姆
超低启动电流BwD嘉泰姆
LED 输出开路保护BwD嘉泰姆
LED 输出短路保护BwD嘉泰姆
VCC 供电过压、欠压保护BwD嘉泰姆
CS 逐周期限流BwD嘉泰姆
自动重启动功能BwD嘉泰姆
芯片过温保护BwD嘉泰姆
采用 SOT23-6L 封装BwD嘉泰姆
三,应用范围 (Applications)
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· LED 球泡灯,LED 射灯BwD嘉泰姆
· LED 日光灯,LED 筒灯BwD嘉泰姆
· LED 吸顶灯,LED PAR 灯BwD嘉泰姆
· 其它 LED 照明BwD嘉泰姆
四.技术规格书下载(产品PDF)
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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!BwD嘉泰姆

 QQ截图20160419174301.jpgBwD嘉泰姆

五,产品封装图 (Package)BwD嘉泰姆

image.pngBwD嘉泰姆

管脚编号BwD嘉泰姆

管脚名称BwD嘉泰姆

描述BwD嘉泰姆

1BwD嘉泰姆

CSBwD嘉泰姆

电感电流采样引脚,连接电阻到地BwD嘉泰姆

2BwD嘉泰姆

GNDBwD嘉泰姆

芯片地BwD嘉泰姆

3BwD嘉泰姆

COMPBwD嘉泰姆

环路补偿引脚,连接 RC 网络到地BwD嘉泰姆

4BwD嘉泰姆

ZCDBwD嘉泰姆

电感电流过零检测、LED 输出开路保护检测和线电压补偿微调引脚BwD嘉泰姆

5BwD嘉泰姆

VCCBwD嘉泰姆

芯片电源引脚BwD嘉泰姆

6BwD嘉泰姆

DRVBwD嘉泰姆

外部功率管的栅极驱动引脚BwD嘉泰姆

六.电路原理图BwD嘉泰姆


image.png七,功能概述BwD嘉泰姆

参数BwD嘉泰姆

额定值BwD嘉泰姆

单位BwD嘉泰姆

VCC, DRV 到 GND 电压BwD嘉泰姆

-0.3~+25BwD嘉泰姆

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CS,COMP,ZCD 到 GND 电压BwD嘉泰姆

-0.3~+6BwD嘉泰姆

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VCC 引脚电源电流BwD嘉泰姆

5BwD嘉泰姆

mABwD嘉泰姆

功率损耗BwD嘉泰姆

0.5BwD嘉泰姆

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储存环境温度BwD嘉泰姆

-50~+150BwD嘉泰姆

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工作结温范围BwD嘉泰姆

-40~+150BwD嘉泰姆

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ESD 水平(HBM)BwD嘉泰姆

2000BwD嘉泰姆

VBwD嘉泰姆

ESD 水平(MM)BwD嘉泰姆

200BwD嘉泰姆

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八,相关芯片选择指南BwD嘉泰姆

LED驱动芯片>非隔离带PFCBwD嘉泰姆

产品名称BwD嘉泰姆

功率管BwD嘉泰姆

调光方式BwD嘉泰姆

封装BwD嘉泰姆

典型应用BwD嘉泰姆

最大功率BwD嘉泰姆

应用领域BwD嘉泰姆

CXLE8358BwD嘉泰姆

功率管外置BwD嘉泰姆

调光方式三段开关BwD嘉泰姆

封装SOP8BwD嘉泰姆

典型应用5~36WBwD嘉泰姆

最大功率40WBwD嘉泰姆

应LED日光灯BwD嘉泰姆

CXLE8359BwD嘉泰姆

外置BwD嘉泰姆

PWMBwD嘉泰姆

SOP8BwD嘉泰姆

5~36WBwD嘉泰姆

40WBwD嘉泰姆

LED吸顶灯BwD嘉泰姆

CXLE8360BwD嘉泰姆

500V/3ΩBwD嘉泰姆

不支持BwD嘉泰姆

SOP8BwD嘉泰姆

36V/300mABwD嘉泰姆

16WBwD嘉泰姆

LED筒灯BwD嘉泰姆

CXLE8361BwD嘉泰姆

外置BwD嘉泰姆

不支持BwD嘉泰姆

SOT23-6BwD嘉泰姆

5~36WBwD嘉泰姆

40WBwD嘉泰姆

LED球泡灯BwD嘉泰姆