NON-ISOLATED BUCK LED LIGHTING DRIVE IC WITH LOW POWER AND HIGH CONSTANT CURRENT ACCURACY

DESCRIPTION SD670XSC is designed for non-isolated LED driving with Buck structure, high constant current accuracy and high linear/load regulation available with assistant of special sense technology. SD670XSC integrates various protections, such as output open/short circuit protection, cycle-

文件：267.62 Kbytes 页数：8 Pages

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NON-ISOLATED BUCK LED LIGHTING DRIVE IC WITH LOW POWER AND HIGH CONSTANT CURRENT ACCURACY

DESCRIPTION SD670XSC is designed for non-isolated LED driving with Buck structure, high constant current accuracy and high linear/load regulation available with assistant of special sense technology. SD670XSC integrates various protections, such as output open/short circuit protection, cycle-

文件：267.62 Kbytes 页数：8 Pages

SILAN

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低功耗高恒流精度非隔离降压型LED照明驱动芯片

 SD670XS是一款专用于非隔离LED驱动的控制芯片，外围应用采取Buck架构，特有的采样技术辅助下，从而达到高恒流精度和高线性/负载调整率。SD670XS内部集成各种保护功能，包括输出开短路保护，逐周期过流保护，过温度保护等。SD670XS具有超低的启动电流和工作电流，可在全电压输入范围内（85VAC~265VAC）高效驱动高亮度LED。SD670XS内置高压功率MOSFET，有效的节约系统成本和整机体积。 ·内置500V高压功率MOSFET \n·精确恒定电流（<±3%）供给LED \n·输出开短路保护 \n·CS开短路保护 \n·VCC欠压保护 \n·过温保护 \n·逐周期过电流保护 \n·无辅助绕组;

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非隔离恒流驱动

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