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CL1503IR Datasheet(PDF) 1 Page - CHIPLINK SEMICONDUCTOR

Part # CL1503IR
Description  Non-isolated step-down LED constant current driver
PDF  9 Pages
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Manufacturer  CHIPLINK [CHIPLINK SEMICONDUCTOR]
Direct Link  http://www.chiplink-semi.com
Logo CHIPLINK - CHIPLINK SEMICONDUCTOR

CL1503IR Datasheet(HTML) 1 Page - CHIPLINK SEMICONDUCTOR

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1
SEMICONDUCTOR
CL1503
CL1503_CN Rev. 1.3
非隔离降压型
LED 恒流驱动器
概述
CL1503是一款性能优异的降压型恒流驱动芯片,可以实现高精度的LED恒流驱动。芯片工作于电感电流临
界连续模式(
TM),工作电压覆盖85Vac~265Vac。芯片内部集成了500V功率器件,外围应用无需辅助绕组检
测和供电即可实现高精度恒流,极大的降低了外部成本。
CL1503具有多种恒流辅助功能,实现优异的线性补偿和高精度恒流效果。CL1503工作于电感电流临界连续
模式(
TM),输出电流不随电感和负载的变化而变化,具有优异的负载调整特性。
CL1503集成多种保护功能,极大的增强了系统的可靠性。保护功能包括LED开路保护、LED短路保护、欠
压锁定,电流采样电阻短路保护和过温调节功能。
特性
◆宽输入电压
±
◆
5%LED输出电流精度
◆内部集成
500V功率管
◆芯片超低工作电流
◆电感电流临界连续模式(
TM)
◆无辅助绕组
◆优异的线电压调整率和负载调整率
LED
◆
开
/短路保护
◆电流采样电阻短路保护
◆欠压锁定(
UVLO)
◆过温调节功能
应用范围
LED
◆
蜡烛灯
LED
◆
球泡灯
LED
◆
日光灯
◆其他
LED照明
CL1503采用DIP8封装
典型应用
AC
CL1503


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