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. Cxle83169a cxle83169b has led open / short circuit protection, CS resistance short circuit protection, undervoltage protection, chip temperature overheat regulation and other multiple protection functions. Cxle83169a cxle83169b is packaged with sop-8 and dip-8. Cxle83169a cxle83169b is a high precision step-down LED constant current driver chip. The chip works in the critical continuous mode of inductor current, and is suitable for the non isolated step-down LED constant current power supply of 85vac ~ 265vac full range input voltage. Cxle83169a cxle83169b 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.
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[ CXLE83169A ]"
目录
7.相关产品
产品概述 返回TOP
CXLE83169A CXLE83169B 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。 CXLE83169A CXLE83169B 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。 CXLE83169A CXLE83169B采用 SOP-8、DIP-8 封装。CXLE83169A CXLE83169B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。 CXLE83169A CXLE83169B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。
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 |
