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RT8284 为高效率的DC/DC单芯片同步降压型转压器，输入电压范围从4.5V至23V，输出电流至2A。RT8284的电流模式架构与外部的补偿机制可因应大范围的输入与负载变化的瞬时响应进行优化的补偿。逐周期限流机制可在输出短路时提供电路保护作用，缓启动机制则可消除启动瞬间的输入电流涌浪问题。此外RT8284提供低电压保护与热关断保护功能，低电流消耗(<3μA)的关断模式则可断开与输出的连接，简化电池供电系统的电源管理。RT8284采用SOP-8与SOP-8(裸露焊盘)的封装供货。
/content/dam/richtek-eds/resources/product-specifications/rt82/rt8284/images/circuit/93151fwgrk.GIF
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<li class="mv5">±1.5% 精度反馈参考电压</li><li class="mv5">输入电压范围：4.5V~23V</li><li class="mv5">2A 负载能力</li><li class="mv5">集成 N-MOSFET 功率开关</li><li class="mv5">电流模式控制架构</li><li class="mv5">340kHz 固定工作频率</li><li class="mv5">输出电压可调范围：0.923V~20V</li><li class="mv5">效率高达 95%</li><li class="mv5">可调软启动</li><li class="mv5">可配合陶瓷输出电容稳定运行</li><li class="mv5">逐周期过流保护</li><li class="mv5">输入欠压锁定保护</li><li class="mv5">输出欠压保护</li><li class="mv5">过热关机保护</li><li class="mv5">符合 RoHS 规范，不含卤素</li>
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<li class="mv5">无线 AP / 路由器</li><li class="mv5">机顶盒</li><li class="mv5">工业和商用低功率系统</li><li class="mv5">液晶显示器和电视机</li><li class="mv5">节能电器</li><li class="mv5">高性能 DSP 用负载点调节器</li>
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