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RT9045 是易用、低成本的高速线性调节器，用于生成 DDR 存储器系统的终端电压以符合其需要。该调节器具有 1.8A 的电流吐纳能力，能将其输出电压稳定在 20mV 误差以内。仅利用两只电阻构成的分压器，其输出电压即可紧随 V<sub>DDQ</sub> / 2 而变；也可利用外部强加在 REFEN 的电压使其输出电压成为可以按需设定的。利用内建的高速差分放大器，RT9045 可对输入/输出的瞬变过程具有快速响应能力。它还具有超低初始偏移电压、卓越的负载调整特性、双向电流限制和片内过热保护功能。
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<div class="spec-list"><ul class="lv1"><li>DDR V<sub>TT</sub> 应用的理想选择 </li><li>电流吐纳能力： </li><li>DDRII 1.8A @ V<sub>IN </sub>= 1.8V </li><li>DDRIII 1.5A @ V<sub>IN </sub>= 1.5V </li><li>LPDDRIII 1.2A @ V<sub>IN </sub>= 1.35V </li><li>DDRIV 1.2A @ V<sub>IN </sub>= 1.2V </li><li>集成功率 MOSFET </li><li>为 DDR 存储器接口生成终端电压 </li><li>配合陶瓷输出电容稳定工作 </li><li>全负载范围内高精度输出 </li><li>两只电阻即可调整输出电压 </li><li>外围元件少 </li><li>关机模式下对 RAM 呈现为高阻输出的挂起状态 </li><li>电流限制保护 </li><li>片内过热保护 </li><li>符合 RoHS 规范 </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>台式电脑、笔记本电脑和工作站 </li><li>图形卡存储器终端 </li><li>机顶盒、数字电视、打印机 </li><li>嵌入式系统 </li><li>动态终端总线 </li><li>DDR 存储器系统 </li></ul></div>
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