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RT6210为具有输入电压5.2V至80V及可编程输出电压0.8V至72V的80V、500mA、350kHz高效率同步降压型DC-DC转换器。电流模式的控制方式可简化外部补偿,并可搭配宽范围的电感和输出电容来优化瞬态响应。高效率可藉由集成的N-MOSFET以及轻负载时的脉冲跳跃模式来实现。由于具备EN引脚,使得上电时序可更加灵活及关机静态电流可降至小于3μA。<br>RT6210拥有逐周期电流限制的过电流保护,防止短路输出,用户可编程软启动时间以防止启动时的浪涌电流。它还包括输入欠压锁定,欠压输出和过温保护,让IC在所有工作条件下可以安全和平稳的操作。<br>RT6210采用SOP-8 (裸露焊盘) 封装。
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<div class="spec-list"><ul class="lv1"><li>±1.5%精准度的0.8V回馈参考电压 </li><li>宽输入电压范围 : 5.2V至80V </li><li>输出电流 : 500mA </li><li>集成的N-MOSFET </li><li>电流模式控制 </li><li>固定开关频率 : 350kHz </li><li>可编程输出电压 : 0.8V至72V </li><li>< 3μA低关断静态电流 </li><li>效率高达92% </li><li>提升轻负载效率的脉冲跳跃模式 </li><li>可编程的软启动时间 </li><li>逐周期电流限制保护 </li><li>输入欠压锁定、输出欠压和过温保护 </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>4-20mA回路供电传感器 </li><li>OBD-II端口电源 </li><li>低功耗待机或偏置电压供应 </li><li>工业过程控制,计量和安全系统 </li><li>高电压LDO更换 </li><li>电信系统 </li><li>商用车电源 </li><li>通用宽输入电压调节 </li></ul></div>
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