低 PF 隔离反激原边恒流控制器

BP3189B 是一款高精度的两绕组、低 PF 原边反馈恒流驱动器，适合搭配前级 APFC 升压电路，实现两级隔离无频闪应用。BP3189B 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(VCC 独立电源供电)，同时确保优异的 OVP 精度。 • 内置高压启动和供电，启动速度快\n• 高精度电流参考\n• 低工作电流\n• 高精度空载电压基准\n• 优异的负载调整率和线性调整率\n• 临界连续导通模式和准谐振模式，EMC 优化\n• VCC 欠压锁定\n• 逐周期限流\n• 完善的保护功能;

BPS

晶丰明源

FM IF System

Description The Harris CA3189E is a monolithic integrated circuit that provides all the functions of a comprehensive FM-lF system. The block diagram of the CA3189E includes a three-stage FM-lF amplifier/limiter configuration with level detectors for each stage, a doubly-balanced quadrature FM det

文件：129.169 Kbytes 页数：8 Pages

Intersil

FM IF System

Description The Harris CA3189E is a monolithic integrated circuit that provides all the functions of a comprehensive FM-lF system. The block diagram of the CA3189E includes a three-stage FM-lF amplifier/limiter configuration with level detectors for each stage, a doubly-balanced quadrature FM det

文件：129.169 Kbytes 页数：8 Pages

Intersil

訝됧?LED 雍멨눣?㎩댍IC

文件：110.79 Kbytes 页数：4 Pages

BOWIN