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DC/DC Power Management IC
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BP2879DB
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BP2879D 是一款适用于 Buck 电路的非隔离低 PF 可调光LED 驱动控制器,支持 PWM 和模拟调光信号,全程模拟调光且支持调光关断,可以实现高精度、无频闪的照明。 BP2879D 控制的 Buck 电路工作在电感电流临界连续和准谐振模式,从而实现更高的转换效率和更低的电磁干扰(EMI),提高变压器的利用率。BP2879D 采用了先进的恒流算法,可实现优异的线性调整率和负载调整率。 BP2879D 提供丰富的保护功能,保证电源设计的可靠性。
Advantage
支持 PWM 调光和模拟调光信号,调光深度低
且低端可关断
输出电流基准精度士3%
深度调光时良好的批量一致性
输出电流无过冲
内置线电压补偿和负载补偿
Application area
LED 面板灯、格栅灯
LED 路灯
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