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DC/DC Power Management IC
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BP2958DE
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BP2958DE是一款支持 PWM 输入调光的高精度降压型LED恒流驱动芯片,全程采用模拟调光控制模式,专为无频无噪声LED智能照明应用而设计。BP2958DE能够达到优异的调光线性度和输出电流一致性,适用于85Vac~265Vac全范围输入电压的非隔离降压型LED恒流电源。 BP2958DE芯片集成高压启动电路和500V 功率管,无需VCC 电容和辅助绕组,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。
Advantage
支持1%-100%PWM 调光
全程模拟调光无频闪
无需启动电阻和VCC电容
内部集成500V功率管
±5% LED 输出电流精度
LED开路保护
LED短路保护
过热调节功能
采用HSOP7封装
Application area
LED 吸顶灯
LED 球泡灯
其它LED 照明
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