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DC/DC Power Management IC
Digital Controller
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AC/DC Non-Isolated Low PF(with MOS integrated)
BP3189A
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BP3189A 是一款高精度的两绕组、低 PF 原边反馈恒流驱动器,适合于 90Vac~277Vac 全范围输入电压。BP3189A 芯片采用差分采样检测输出电压和退磁信号,可以实现两绕组隔离应用,同时确保优异的 OVP 精度。 BP3189A 芯片采用先进的原边恒流控制技术,不需要副边反馈回路和环路补偿电容,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
内置高压启动和供电,启动速度快
高精度电流参考
高精度空载电压基准
优异的负载调整率和线性调整率
临界连续导通模式和准谐振模式,EMC 优化
VCC 欠压过压保护
逐周期限流
完善的保护功能
Application area
LED 面板灯
LED 筒灯
其它 LED 照明
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BP3189A
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