Cxle8371 cxle8372 cxle8373 cxle8374 cxle8375 has built-in high-precision sampling and compensation circuit, which enables the circuit to achieve constant current accuracy within ?3%, and can realize the adaptability of output current to inductance and output voltage, so as to obtain excellent linear adjustment rate and load adjustment rate.
CXLE8371 CXLE8372 CXLE8373 CXLE8374 The cxle8375 is internally integrated with 500V power MOSFET, without secondary feedback circuit and compensation circuit. In addition, the precise and stable adaptive technology makes the system peripheral structure very simple, which can realize high-precision constant current control under the condition of small number of peripheral devices and loose parameter range, greatly saving the system cost and volume, and can ensure that led lamps and lanterns can be produced in batch Consistency of parameters. Cxle8371 cxle8372 cxle8373 cxle8374 cxle8375 has rich protection functions: output open short circuit protection, sampling resistance open short circuit protection, undervoltage protection, output over-voltage protection, over temperature adaptive regulation, etc
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[ CXLE8371 ]"
目录
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）
5.产品封装图 6.电路原理图 7.功能概述 8.相关产品
一,产品概述(General Description) 
CXLE8371 CXLE8372 CXLE8373 CXLE8374 CXLE8375是一款高精度的非隔离降压型LED控制器，适用于85～265V全电压范围的非隔离降压型LED照明应用。
CXLE8371 CXLE8372 CXLE8373 CXLE8374 CXLE8375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，并且能够实现输出电流对电感与输出电压的自适应，从而取得优异的线型调整率和负载调整率。
CXLE8371 CXLE8372 CXLE8373 CXLE8374 CXLE8375内部集成了500V功率MOSFET，无需次级反馈电路，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LED灯具参数的一致性。CXLE8371 CXLE8372 CXLE8373 CXLE8374 CXLE8375具有丰富的保护功能：输出开短路保护、采样电阻开短路保护、欠压保护、输出过压保护、过温自适应调节等。
二.产品特点(Features)
内部集成500V 功率管
±3%以内的系统恒流精度
芯片超低工作电流
无需辅助供电电路
电感电流临界连续模式
宽输入电压
输出短路保护
采样电阻开短路保护
输出过压保护
欠压保护
过温自适应调节功能
简洁的系统拓补，外围器件极少
三,应用范围 (Applications)
LED
四.技术规格书下载（产品PDF）
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！
五,产品封装图 (Package)
|
引脚号 |
符号 |
功能 |
|
1 |
GND |
电源地 |
|
2 |
RADJ |
设置开路保护电压，外接电阻 |
|
3 |
NC |
空脚 |
|
4 |
VDD |
工作电源 |
|
5 |
DRN |
内部 MOSFET 的漏端 |
|
6 |
DRN |
内部 MOSFET 的漏端 |
|
7 |
ISEN |
电流采样，外接电阻到地 |
|
8 |
ISEN |
电流采样，外接电阻到地 |
六.电路原理图
七,功能概述
|
项目 |
符号 |
参数范围 |
单位 |
|
电源电压 |
VDD |
-0.3-20 |
V |
|
漏极电压 |
VDRN |
-0.3-500 |
V |
|
电流采样端电压 |
VISEN |
-0.3-6 |
V |
|
最大工作电流 |
IDDMAX |
5 |
mA |
|
开路保护电压调节端 |
VRADJ |
-0.3-6 |
V |
|
o |
Ptot |
0.45@SOP-8 |
W |
|
0.90@DIP-7 |
|||
|
热阻结-环境 |
|||
|
Rthj-a |
145@SOP-8 |
℃/W |
|
|
80@DIP-7 |
|||
|
工作结温范围 |
|||
|
TJ |
-40-150 |
℃ |
|
|
存储温度范围 |
TSTG |
-55-150 |
℃ |
|
ESD |
2,000 |
V |
八,相关芯片选择指南
|
非隔离产品 |
|||||
|
产品型号 |
功率因素校正 |
内置功率管 |
封装形式 |
功率范围 |
封装 |
|
MOSFET,500V/0.5A |
TO-94 |
<5W |
(TO-94)_CN |
||
|
MOSFET,500V0.8A |
TO-94 |
9W |
(TO-94)_CN |
||
|
MOSFET,500V/0.8A |
SOP-8 |
<9W |
（SOP-8)_CN |
||
|
MOSFET,500V/1A |
SOP-8,DIP-7 |
9-18W |
（SOP-8&DIP-7)_CN |
||
|
MOSFET,500V/2A |
SOP-8,DIP-7 |
Up to 36W |
（SOP-8&DIP-7)_CN |
||
|
MOSFET,500V/0.5A |
TO-94 |
<5W |
(TO-94)_CN |
||
|
MOSFET,500V0.8A |
TO-94 |
9W |
(TO-94)_CN |
||
|
MOSFET,500V/0.8A |
SOP-8 |
<9W |
（SOP-8)_CN |
||
|
MOSFET,500V/1A |
SOP-8,DIP-7 |
9-18W |
（SOP-8&DIP-7)_CN |
||
|
MOSFET,500V/2A |
SOP-8,DIP-7 |
Up to 36W |
（SOP-8&DIP-7)_CN |
||
|
√ |
MOSFET,600V/2.0A |
SOP-8,DIP-7 |
10-20W |
(SOP&DIP-7)_CN |
|
|
√ |
- |
SOT23-6 |
Up to 60W |
(SOT23-6)_CN |
|
|
MOSFET,500V/0.8A |
SOP-8 |
<9W |
(SOP-8)_CN |
||
|
MOSFET,500V/1A |
SOP-8,DIP-7 |
9-18W |
(SOP-8&DIP-7)_CN |
||
|
MOSFET,500V/2A |
SOP-8,DIP-7 |
Up to 36W |
(SOP-8&DIP-7)_CN |
||
