Cxle8321 is an efficient pwm-led constant current driver and control chip with internal integrated power transistor. The constant current accuracy can reach ?3% of the full voltage range. The chip directly supplies power from the drain input voltage without auxiliary winding. Cxle8321 is mainly applicable to the highlighted buck LED driver. Without any compensation elements, it can achieve constant output current. There are few peripheral elements, low cost of the scheme, with the characteristics of LED output short-circuit protection.

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[ CXLE8321 ]"
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
CXLE8321是一款内部集成功率管的高效的PWM-LED恒流驱动控制芯片.恒流精度可达到全电压范围±3%,芯片直接从DRAIN输入电压供电,不需要辅助绕组提供电源.CXLE8321主要适用于高亮的BUCK LED驱动器。无需任何的补偿元件,即可实现恒定的输出电流.外围元件少,方案成本低,具有LED输出开短路保护特性。
二.产品特点
550V 单芯片集成工艺;
宽电压85Vac~265Vac输入;
恒流精度±3%;
效率高达90%@220Vac以上;
内置自恢复输出开短路保护;
非隔离拓扑结构;
低成本BUCK驱动方案;
无需补偿元件;
外围器件少,BOM成本低;
封装形式:SOP8、DIP8;
三.应用范围
T8、T5灯管
LED球泡灯
LED信号灯和装饰灯
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 更多同类产品......
》PF>0.5/非隔离 | |||||||
IC Name | Topology | POUT.MAX | IOUT.MAX | IOUTPrecision | HV_MOSFET | BVDSS | Package |
CXLE8321 | Buck | 24W | 300mA | <±3% | Inside | 550V | SOP8 DIP8 |
CXLE8322 | Buck | 9W | 120mA | <±3% | Inside | 500V | SOP8 |
CXLE8323 | Buck | 18W | 150mA | <±3% | Inside | 600V | SOP8 |
CXLE8324C | Buck | 5W | 120mA | <±3% | Inside | 500V | SOT89-5 |
CXLE8324PC | Buck | 5W | 120mA | <±3% | Inside | 500V | SOP8 |
CXLE8326 | Buck | 9W | 120mA | <±3% | Inside | 730V | SOP8 |
CXLE8327 | Buck | 36W | 450mA | <±3% | External | - | SOP8 |
CXLE8328P | Buck | 9W | 120mA | <±3% | Inside | 500V | SOP8-7 |
CXLE8328PC | Buck | 15W | 220mA | <±3% | Inside | 500V | SOP8-7 |
CXLE8330 | Buck | 24W | 240mA | <±3% | Inside | 500V | SOP8-7 |
CXLE8331 | PSR&Buck | - | - | <±5% | External | - | SOT23-6 |
》PF>0.9/非隔离 | |||||||
IC Name | Topology | POUT.MAX | IOUT.MAX | IOUTPrecision | HV_MOSFET | BVDSS | Package |
CXLE8332 | Buck | - | - | <±5% | External | - | SOT23-6 |
CXLE8333 | Buck | 18W | 240mA | <±5% | Inside | 550V | SOP8 |
CXLE8334 | Buck | 24W | 300mA | <±5% | Inside | 600V | SOP8 |
》大功率无频闪/非隔离 | |||||||
IC Name | Topology | POUT.MAX | IOUT.MAX | IOUTPrecision | HV_MOSFET | BVDSS | Package |
CXLE8335 | Boost+Buck | - | - | <±3% | External | - | SOP16 |