mWSaver™ Synchronous Rectification Controller for Flyback Converter in CCM, DCM and QR Operation

FAN6224是一款用于驱动SR MOSFET的次级端同步整流(SR)控制器，可提高效率。此 IC 适合反激式转换器和正向续流整流。FAN6224可应用于连续或非连续导通模式（CCM和DCM）和基于专利的线性预测时序控制技术的准谐振(QR)反激式转换器。该技术的优势包括控制方法简单，无需电流感测电路便可实现抗噪能力。通过使用PWM频率跟踪和次级端绕组电压检测，FAN6224能在高达140kHz的定频系统和变频系统中运行。 FAN6224检测输出负载条件并确定可调绿色模式负载大小。在绿色模式下，SR控制器停止所有SR开关运行，以降低工作电流。轻负载条件下，功耗维持在最低水平。 • mWSaver™ 技术： \n• 内部绿色模式用于阻止SR开关，以实现更低的无负载功耗\n• 300 µA超低绿色模式工作电流\n• 同步整流控制器\n• 适合QR、DCM和CCM工作模式下的反激式变换器高端和低端整流\n• 适合前向续流整流 \n• 带次级端绕组电压检测的PWM频率追踪\n• 140 kHz最大工作频率\n• VDD引脚过压保护(OVP)\n• LPC引脚开路/短路保护\n• RES引脚开路/短路保护\n• RP引脚开路/短路保护\n• 内部过温保护(OTP)\n• 采用 SOP-8 封装;

Synchronous Rectification Controller

文件：1.03643 Mbytes Page：20 Pages

Synchronous Rectification Controller

文件：1.03643 Mbytes Page：20 Pages

封装/外壳：8-SOIC（0.154"，3.90mm 宽） 包装：托盘 描述：IC CTLR SR SYNC RECT LLC 8SOP 集成电路（IC） 电源控制器，监视器

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