Cxle8337 has built-in high-precision sampling and compensation circuit, which enables the circuit to achieve constant current accuracy within ?3%, and can realize the self-adaptive of output current to inductance and output voltage, so as to obtain excellent results Different linear adjustment rate and load adjustment rate
The cxle8337 is internally integrated with 500V power MOSFET, which does not need secondary feedback circuit or compensation circuit.
-
[ CXLE8337 ]"
目录
产品概述 返回TOP
CXLE8337是一款高精度的非隔离降压型LED控制 器，适用于85V～265V全电压范围的小功率非隔离降压型LED照明应用CXLE8337 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.
CXLE8337 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 CXLE8337 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
产品特点 返回TOP
· 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
· 封装: SOP8
· 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
应用范围 返回TOP
LED 蜡烛灯
LED 球泡灯
其它 LED 照明
技术规格书（产品PDF) 返回TOP
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！
产品封装图 返回TOP
电路原理图 返回TOP
相关芯片选择指南 返回TOP
| 高效非隔离降压型恒流LED驱动芯片(Non-isolated Buck Offline LED Driver) | ||||||
| Part No. | Features | Mode | VIN | Current Accu. | Rdson(ohm) | Package |
| CXLE8337 | Non-isolated Buck Offline LED Driver | PWM | 85~264V(AC) | ±3% | 16 | SOP8 |
| CXLE8338S | Non-isolated Buck Offline LED Driver | PWM | 85~264V(AC) | ±3% | 8 | SOP8 |
| CXLE8338D | Non-isolated Buck Offline LED Driver | PWM | 85~264V(AC) | ±3% | 5 | DIP8 |
| CXLE8338R | Non-isolated Buck Offline LED Driver | PWM | 85~264V(AC) | ±3% | 5 | SOP8 |
| CXLE8339 | Non-isolated Buck Offline LED Driver | PWM | 85~265V(AC) | ±4% | 5 | SOP8 |
| CXLE8341 | Non-isolated Buck Offline LED Driver | PWM | 85~264V(AC) | ±3% | 4 | DIP8 |
| CXLE8342S | Non-isolated Buck Offline LED Driver | PWM | 85~264V(AC) | ±3% | 8 | SOP8 |
| CXLE8342R | Non-isolated Buck Offline LED Driver | PWM | 85~264V(AC) | ±3% | 5 | SOP8 |
| CXLE8342D | Non-isolated Buck Offline LED Driver | PWM | 85~264V(AC) | ±3% | 5 | DIP8 |
| CXLE8342C | Non-isolated Buck Offline LED Driver | PWM | 85~264V(AC) | ±3% | 3 | DIP8 |
