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Product Spec Banner
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RT7753系列产品的设计目标是与类似RT7202的控制器配合以提供一个使用USB电源传输（USB PD）协议的或可程控的电源适配器，它具备高效电源的控制架构，待机功耗极低，5V输出的待机功耗低于50mW。<Br>RT7753使用诸多全新的技术来确保获得宽范围的输出电压，如（1）通过使用DMAG引脚对输出电压进行检测并调节系统的环路增益，改变不同输出电压下的过压保护阈值以实现对外部器件的保护，调节电流限制阈值以符合功率有限电源的安全需求；（2）具有完整的保护特性，其中包括大电容Brown-in/Brown-out保护、VDD过压保护、输出过压/欠压保护、次级整流器短路保护和外部温度过高保护；（3）为实现恒定输出功率调节，连接在CS引脚的一只电阻可在全输入电压范围内对输入进行补偿；（4）具备多种保护特性以应对次级侧的元件如RT7202、分流式调节器等的失效可能带来的风险。<Br>在实际的应用中，建议将RT7753与二次侧控制器RT7202共同使用以构成可靠、强壮又安全的设计，以便能面对诸如设备、电缆、插头、插座等各种可能的错误连接状况。
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<div class="spec-list"><ul class="lv1"><li>针对宽范围的输出功率进行了优化 <ul class="lv2"> <li></li><li>VDD电压范围：9V~42V </li><li>自适应式输出过压保护 </li><li>自适应式过流保护 </li><li>自适应式回路增益调节以实现回路稳定 </li></ul> </li><li>高效率 <ul class="lv2"> <li></li><li>轻载和空载时工作于节能模式 </li></ul> </li><li>完备的保护特性 <ul class="lv2"> <li></li><li>大电容Brown-in/Brown-out保护 </li><li>VDD过压保护 </li><li>输出过压/欠压保护 </li><li>外部过热保护 </li><li>次级整流器短路保护 </li><li>可调线路补偿 </li></ul> </li><li>其他 <ul class="lv2"> <li></li><li>5V输出待机节能模式功耗<50mW </li><li>驱动器驱动能力：300mA/-300mA </li><li>使用SmartJitter™技术 </li></ul> </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>USB PD和可程控电源适配器 </li></ul></div>
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