Cxle8627 is a kind of LED constant current driver with low voltage difference, linear step-down and fixed output current. In addition to LED, cxle8627 can form a constant current output LED drive circuit without other components. Cxle8627 has built-in overheat protection function, which can effectively protect the chip and avoid damage caused by overheat when the junction temperature exceeds 120oc. The cxle8627 also integrates led short-circuit protection and power supply undervoltage protection functions. In addition, cxle8627 has its own soft start function. Cxle8627 can provide multiple specifications of output current for customers to choose. The output current can be from 100mA to 380mA in steps of 10mA, and the current driving ability of LED can be expanded by means of multi chip parallel connection
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[ CXLE8627 ]"
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（PDF文档）
一.产品概述
CXLE8627是一种低压差、线性降压、固定输出电流的LED恒流驱动器。除LED外，CXLE8627无需外接其它元器件即可构成一个恒流输出的 LED驱动电路.CXLE8627内置过热保护功能，可有效保护芯片，避免结温超过120oC 时因过热而造成损坏。CXLE8627 还集成了LED短路保护、电源欠压保护功能。此外，CXLE8627自带软启动功能。CXLE8627可提供多个规格的输出电流供客户选择，输出电流可以从100mA到380mA，步长为10mA，并可通过多芯片并联的方式扩展 LED 的电流驱动能力。
CXLE8627采用 SOT-89-3的封装形式。
二.产品特点
电源电压：2.7V~5.5V
输出电流：100mA到 380mA
低压差：150mV@350mA
输出电流精度：优于±5%
过热保护阈值：120oC
欠压保护：2.5V
LED短路保护 软启动
三.应用范围
手电筒，移动电源，矿灯
四.技术规格书（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
六.电路原理图
七.相关芯片选择指南
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LED驱动 > 线性恒流 |
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产品型号 |
输入电压 |
输出电压 |
输出电流 |
工作效率 |
产品封装 |
备注 |
|
2.7-6V |
降压 |
20mA-3.0A |
≦85% |
SOT-23-5 |
具有PWM调光，电压可开展至400V以上，电流可扩展到3.0A |
|
|
2.7-5.5V |
低于输入电压 |
100mA-3A |
90 |
SOT23-5 |
线性降压恒流 |
|
|
2.7-5.5V |
低于输入电压 |
100mA-3A |
95 |
SOT89-5 |
线性降压恒流流 |
|
|
2.7-5.5V |
低于输入电压 |
120-380mA |
90 |
SOT89-3 |
线性降压恒流流 |
|
