STEVAL-VP12201F

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产品概述

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STEVAL-VP12201F评估板采用12 V - 5 W隔离式反激变换器，专为供电电压在85~265 V_AC之间的通用应用而开发。

该参考设计围绕VIPerPlus系列的新型VIPer122LS离线高压转换器构建而成，采用嵌入式730V功率MOSFET和PWM电流模式控制。

评估板的主要特点是体积小、物料成本最低、高效率、待机功耗低，整个输入和输出范围内的线路和负载调节紧凑。空载状态下的极低功耗得到保证，这是由于突发模式工作降低了平均开关频率，并将所有频率相关的损耗降至最低。

VIPer122LS在60kHz固定频率下工作，具有频率抖动，可满足有关电磁干扰的标准。

所有功能
通用输入电源范围：85–265 V_AC

频率：50-60Hz

输出电压：12 V

输出电流：416 mA

极紧凑结构

待机电源消耗：< 30 mW at 230 V_AC

平均效率：> 77％

整个输入和输出范围内的线路和负载调节紧凑

得益于频率抖动特性，即使电磁干扰滤波器尺寸减小，也能符合IEC55022 Class B传导电磁干扰标准

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