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Product Spec Banner
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R7711A 是一款使用初级侧电压回馈技术的电流模式 PWM 控制器，它能精确地控制输出电压和电流，无需使用次级侧分流式调节器和光电耦合器，可减少组件数量并节省成本。<br>R7711A 是专门为低功率用途如手机、PDA 等移动产品之充电器而设计的，具有完整的保护功能如输出欠压保护 (UVP)、输出过压保护(OVP)、VDD过压保护 (VDD OVP)、过热保护 (OTP) 和次级侧整流器短路保护 (SRSP)等，启动电流、工作电流都极低，可在待机模式下达到极低的功耗。它还支援节能模式下的突发工作模式，可满足CEC规范和能源之星计划的需求。
R7711A 电路图
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<div class="spec-list"><ul class="lv1"><li>可程式控制初级侧CC/CV调节器 </li><li>空载输入功率低（<30mW@230V<sub>AC</sub>） </li><li>节能模式下以高载模式工作 </li><li>启动电流低（<10μA） </li><li>容易解决EMI问题 <ul class="lv2"> <li></li><li>有抖频功能 </li><li>柔性门极驱动 </li></ul> </li><li>可程式控制缆线压降补偿 </li><li>可调节的传输延时补偿 </li><li>VDD过压保护(VDD OVP) </li><li>输出过压保护(OVP) </li><li>输出欠压保护(UVP) </li><li>次级整流器短路保护(SRSP) </li><li>内部过热保护(OTP) </li><li>符合RoHS规范，不含卤素 </li></ul></div>
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R7711A 订购信息
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R7711A
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R7711A
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<div class="spec-list"><ul class="lv1"><li>AC/DC 电源适配器和电池充电器 </li><li>DVD 电源 </li><li>STB 电源 </li><li>手机充电器 </li><li>网路电源供应 </li></ul></div>
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