Cxle83167 cxle83168 has built-in 500V power MOSFET, which adopts cycle by cycle current detection mode. Without auxiliary winding detection and power supply, it can achieve excellent constant current characteristics, simple peripheral circuit, few components, small scheme volume and low cost. A high precision current sampling circuit is designed in cxle83167 cxle83168. The closed-loop constant current control technology is adopted to achieve high precision LED constant current output and excellent line voltage regulation rate. The chip works in the inductive current critical mode, the output current does not change with the inductance and the LED working voltage, achieving excellent load regulation
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[ CXLE83167 ]"
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7.相关产品
产品概述 返回TOP
CXLE83167 CXLE83168 是一款高精度降压型 LED 恒流驱动芯片。 芯片工作在电感电流临界连续模式，适用于 85Vac~265Vac 全范围输入电压的非隔离降压型 LED 恒流电源。 CXLE83167 CXLE83168 内置 500V 功率 MOSFET，采用逐周期电 流检测方式，无需辅助绕组检测和供电，即可实现 优异的恒流特性，外围电路简单，元件极少，方案 体积小，成本低。 CXLE83167 CXLE83168芯片内设计高精度的电流采样电路，采用 闭环恒流控制技术，实现高精度的 LED 恒流输出 和优异的线电压调整率。芯片工作在电感电流临界 模式，输出电流不随电感量和 LED 工作电压的变 化而变化，实现优异的负载调整率。 CXLE83167 CXLE83168具有 LED 开路/短路保护，CS 电阻短路保 护，欠压保护，芯片温度过热调节等多重保护功能。 CXLE83167 CXLE83168采用 SOP-8 封装。
产品特点 返回TOP
电感电流临界连续模式
内置 500V 功率 MOSFET
无需辅助绕组检测和供电
芯片工作电流低
宽输入电压
±5% 恒流精度
LED 开路保护
LED 短路保护
CS 电阻短路保护
芯片供电欠压保护
过热调节功能
应用范围 返回TOP
LED 球泡灯
LED 日光灯
LED 平板灯
其它 LED 照明
技术规格书（产品PDF) 返回TOP
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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 更多的同类产品......
| LED照明驱动/IC->非隔离LPF | |||||
| Photo | Topology | Power | Applications | Illustration | Package |
| CXLE83167 | 0.8A/500V | BUCK | 7W/12W | 120mA/80V@176~264Vac | SOP-8 |
| CXLE83168 | 1A/500V | BUCK | 8W/15W | 150mA/80V@90~264Vac | SOP-8 |
| CXLE83169A | 2A/550 | BUCK | 9W/18W | 240mA/72V@176~264Vac | SOP-8 |
| CXLE83169B | 2A/550V | BUCK | 15W/24W | 320mA/72V@176~264Vac | DIP-8 |
