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DC/DC Power Management IC
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BP3288
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BP3288是一款高效率高PF值支持可控硅调光的 LED驱动芯片。芯片工作在电感电流临界连续模式,适用于Buck-Boost结构的LED 驱动电源。 BP3288 芯片采用栅极驱动和高压供电方式,只需要很少的外围元件,即可实现优异的恒流特性,极大的节约了系统成本和体积。 BP3288具有多重保护功能,包括LED 开路保护(过压保护),LED短路保护,芯片温度过热调节等。
Advantage
支持可控硅调光
内置COMP闭环恒流控制
临界连续电流控制模式
集成600V高压JFET供电,无VCC 电容
±
5% LED 输出电流精度
精准的LED开路保护
采用SOP-8封装
Application area
LED球泡灯
LED 蜡烛灯
其它LED 照明
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