这是一种全新恒流技术,全闭环恒流,输出出电流不受输入电压变化,输出电压变化(LED串数),功率电感感量变化的影响。量产的恒流精度可以在3%以内,目前是业内最高,功率电感可以用工字电感,降低成本。是一款真正意义上的恒流芯片。IC短路保护功能齐全:
特点 有兴趣请联系:QQ:344718203,手机:13798524546
Ø 内置500V高压MOSFET
Ø TRUEC2闭环恒流控制技术
Ø ±3%系统恒流精度
Ø 采样电阻开路、短路保护
Ø 输出过流、短路保护(输出为0V时依然恒流)
Ø 主电感短路保护
Ø 输出过压保护
Ø 过温保护
应用:
DU8608,外置MOS,30W以下日光灯
DU8623,内置MOS,3-18W LED球泡,桶灯等。
以下是测试效果:
![](file:///C:/Users/jm.luo/AppData/Roaming/Tencent/Users/260031833/QQ/WinTemp/RichOle/P%25%7D[K8YBD7M6)ZU1_K8(XGO.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20)
![](file:///C:/Users/jm.luo/AppData/Roaming/Tencent/Users/260031833/QQ/WinTemp/RichOle/NWZJO5Z~PKRA)IKG540RHKU.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20)
![](file:///C:/Users/jm.luo/AppData/Roaming/Tencent/Users/260031833/QQ/WinTemp/RichOle/V3Q%25$_XUFD_%7B~24F[%25X8@BD.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20)
DU8608原理图及测试报告
![](file:///C:/Users/jm.luo/AppData/Roaming/Tencent/Users/260031833/QQ/WinTemp/RichOle/X23Y_CZ6W]KJ2%25$E03GX7IC.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20)
![](file:///C:/Users/jm.luo/AppData/Roaming/Tencent/Users/260031833/QQ/WinTemp/RichOle/KB$I25SMKYR@1PM]WY97GK6.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20)
DU8623原理图及测试报告:
![](file:///C:/Users/jm.luo/AppData/Roaming/Tencent/Users/260031833/QQ/WinTemp/RichOle/RS%7B[439V[OMLG0SFJDYQA6P.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20)
![](file:///C:/Users/jm.luo/AppData/Roaming/Tencent/Users/260031833/QQ/WinTemp/RichOle/R4%7B8FK)BRW%25LI3CNHZ8N_32.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20)