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首页 > Products > Led Driver > Isolated LED Driver > Isolated Products >Cxle8414 cxle8415a is a kind of LED constant current driver chip with high precision primary side feedback, which is suitable for flyback isolation LED constant current power supply
Cxle8414 cxle8415a is a kind of LED constant current driver chip with high precision primary side feedback, which is suitable for flyback isolation LED constant current power supply

Cxle8414 cxle8415a has built-in high-precision sampling and compensation circuit, which enables the circuit to achieve constant current accuracy within ?3%, with
Excellent linear adjustment rate and load adjustment rate, and the LED open circuit protection voltage can be easily controlled through the external resistance of radj pin.
Cxle8414 cxle8415a internally integrated 650V power Osfet adopts dual winding primary side feedback mode, no secondary feedback circuit, no compensation circuit, and precise and stable adaptive technology, which makes the system peripheral structure very simple, can realize high-precision constant current control under the condition of small number of peripheral devices and loose parameter range, greatly saving system cost and volume, and can ensure led in mass production Consistency of lamp parameters. Cxle8414 cxle8415a has rich protection functions: output short circuit protection, sampling power
Short circuit protection, undervoltage protection, output over-voltage protection, over temperature adaptive regulation

Cxle8414 cxle8415a is a kind of LED constant current driver chip with high precision primary side feedback, which is suitable for flyback isolation LED constant current power supply
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目录1xG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) 1xG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)      1xG嘉泰姆


   CXLE8414 CXLE8415A是一款高精度原边反馈的 LED 恒流驱动芯片,适用于85Vac~265Vac 1xG嘉泰姆

全范围输入电压、功率9W 以下的反激式隔离 LED 恒流电源。1xG嘉泰姆
    CXLE8414 CXLE8415A内置了高精度的采样、补偿电路,使得电路能够达到±3%以内的恒流精度,具有
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优异的线型调整率和负载调整率,并且通过 RADJ 引脚外接电阻可以方便地控制 LED 开路保护电压。1xG嘉泰姆
    CXLE8414 CXLE8415A内部集成了650V 功率 MOSFET,采用双绕组原边反馈模式,无需次级反馈电路,
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也无需补偿电路,加之精准稳定的自适应技术,使得系统外围结构十分简单,可在外围器件数量少,参1xG嘉泰姆

数范围宽松的条件下实现高精度恒流控制,极大地节约了系统成本和体积,并且能够确保在批量生产时1xG嘉泰姆

 LED 灯具参数的一致性。CXLE8414 CXLE8415A具有丰富的保护功能:输出开短路保护、采样电1xG嘉泰姆

阻开短路保护、欠压保护、输出过压保护、过温自适应调节等。1xG嘉泰姆

二.产品特点(Features)1xG嘉泰姆


内部集成650V功率管1xG嘉泰姆
±3%以内的系统恒流精度1xG嘉泰姆
原边反馈恒流控制,无需次级反馈电路1xG嘉泰姆
无需辅助绕组检测和供电,实现双绕组结构1xG嘉泰姆
LED 开路电压可通过外部电阻调整1xG嘉泰姆
芯片超低工作电流1xG嘉泰姆
宽输入电压1xG嘉泰姆
输出开短路保护1xG嘉泰姆
采样电阻开短路保护1xG嘉泰姆
输出过压保护1xG嘉泰姆
芯片供电欠压保护1xG嘉泰姆
过热自适应调节功能1xG嘉泰姆
简洁的系统拓补,外围器件极少1xG嘉泰姆
三,应用范围 (Applications)
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 LED 灯具1xG嘉泰姆
四.技术规格书下载(产品PDF)
1xG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!1xG嘉泰姆

 QQ截图20160419174301.jpg1xG嘉泰姆

五,产品封装图 (Package)1xG嘉泰姆


image.png1xG嘉泰姆

引脚号1xG嘉泰姆

符号1xG嘉泰姆

功能1xG嘉泰姆

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ISEN1xG嘉泰姆

电流采样,外接电阻1xG嘉泰姆

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VDD1xG嘉泰姆

工作电源1xG嘉泰姆

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GND1xG嘉泰姆

电源地1xG嘉泰姆

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RADJ1xG嘉泰姆

设置开路保护,外接电阻1xG嘉泰姆

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NC1xG嘉泰姆

空脚1xG嘉泰姆

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NC1xG嘉泰姆

空脚1xG嘉泰姆

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DRN1xG嘉泰姆

功率 MOSFET 的漏端1xG嘉泰姆

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DRN1xG嘉泰姆

功率 MOSFET 的漏端1xG嘉泰姆

六.电路原理图1xG嘉泰姆


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image.png1xG嘉泰姆
七,功能概述
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项目1xG嘉泰姆

符号1xG嘉泰姆

参数范围1xG嘉泰姆

单位1xG嘉泰姆

电源电压1xG嘉泰姆

VDD1xG嘉泰姆

-0.3-201xG嘉泰姆

V1xG嘉泰姆

漏极电压1xG嘉泰姆

VDRN1xG嘉泰姆

-0.3-6501xG嘉泰姆

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电流采样端电压1xG嘉泰姆

VISEN1xG嘉泰姆

-0.3-61xG嘉泰姆

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最大工作电流1xG嘉泰姆

IDDMAX1xG嘉泰姆

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VRADJ1xG嘉泰姆

-0.3-61xG嘉泰姆

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最大耗散功率(Ta=25 C)1xG嘉泰姆

Ptot1xG嘉泰姆

0.451xG嘉泰姆

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Rthj-a1xG嘉泰姆

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TJ1xG嘉泰姆

-40-1551xG嘉泰姆

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TSTG1xG嘉泰姆

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八,相关芯片选择指南1xG嘉泰姆


隔离产品1xG嘉泰姆

产品型号1xG嘉泰姆

隔离/非隔离1xG嘉泰姆

内置功率管1xG嘉泰姆

封装形式1xG嘉泰姆

功率范围1xG嘉泰姆

 

CXLE84131xG嘉泰姆

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MOSFET,650V/0.8A1xG嘉泰姆

SOP-81xG嘉泰姆

5-7W1xG嘉泰姆

(SOP-8)_CN1xG嘉泰姆

CXLE84141xG嘉泰姆

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MOSFET,650V/1.2A1xG嘉泰姆

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MOSFET,650/2.0A1xG嘉泰姆

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12-18W1xG嘉泰姆

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SOP-8,DIP-71xG嘉泰姆

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UP to 60W1xG嘉泰姆

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