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RT7786 系列专为搭配 RT7207 等控制器而设计，以提供 USB PD 或可程式化电源转接器的完整解决方案。RT7786 能够实现高效率效能、符合安全标准，并具备低待机功耗，在 5V 待机条件下通常低于 30mW。RT7786 提供多项创新功能，以提供具备宽范围输出电压的解决方案。透过使用 DMAG 脚位，RT7786 可感测输出电压，以调整回路增益来维持系统稳定性、调整输出过压的临界电压以保护外部装置，并调整电流限制以符合 Limited Power Source (LPS) 安全要求。RT7786 亦配备完整的保护功能，包括 brown-in/brown-out 保护、VDD 过压保护 (VDD OVP)、输出过压 / 欠压保护 (Output OVP/UVP)、二次侧整流器短路保护 (SRSP)，以及外部过温保护 (External OTP)。对于具备恒定输出功率调节的应用，可使用连接至 CS 脚位的电阻，在通用输入电压范围内实现精准的线路补偿。RT7786 亦提供多种功能，以防止二次侧元件（例如 RT7207 或分流稳压器）发生故障。由于各种装置、缆线、插头与插座的连接方式多样且未知，RT7786 与 RT7207 可搭配使用，以实现坚固且安全的设计，防止所有潜在故障情境。
RT7786 电路图
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<div class="spec-list"><ul class="lv1"><li>Optimized for Adaptive Output Power <ul class="lv2"> <li></li><li>Wide VDD Range : 10V to 32V </li><li>Adaptive Output Over-Voltage Protection (Except RT7786xA and RT7786LCA) </li><li>Adaptive Over-Current Protection </li><li>Adaptive Loop Gain Control for Loop-Stability </li></ul> </li><li>High Efficiency <ul class="lv2"> <li></li><li>Green Mode Operation at Light Load or No Load </li></ul> </li><li>Comprehensive Protection Features <ul class="lv2"> <li></li><li>Brown-In and Brown-Out Protection </li><li>VDD Over-Voltage Protection </li><li>Output Over-Voltage and Under-Voltage Protection </li><li>External Over-Temperature Protection </li><li>Secondary Rectifier Short-Circuit Protection </li><li>Programmable Line Compensation </li></ul> </li><li>Others <ul class="lv2"> <li></li><li>< 30mW in 5V Standby Mode for Power Saving </li><li>Driver Capability : 300mA/-300mA </li><li>SmartJitter™ Technology </li></ul> </li></ul></div>
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RT7786 订购信息
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RT7786
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RT7786
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<div class="spec-list"><ul class="lv1"><li>USB PD and Programmable Power Adaptersr </li></ul></div>
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