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RT6203B是适应性导通时间模式的同步Buck转换器。RT6203B的主要控制回路使用适应性导通时间模式控制，无需外部组件即可提供极快速瞬态响应。RT6203B的VIN 输入范围为4.5V至18V。</br>在初始供电后，输出电压可以通过I<SUP>2</SUP>C兼容的VID控制总线发送的编码到IC进行更改。此外，提供特殊的代码可用于编程电流限制阀值和过热关断阀值，关机和启动也可以透过特殊代码进行编程。本产品还具有可调节的软启动时间。输出电压可通过FB引脚的分压电阻在0.8V至8V之间调整。
/content/dam/richtek-eds/resources/product-specifications/rt62/rt6203b/images/circuit/20643wkykd.GIF
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<li class="mv5">VID控制范围通过I<sup>2</sup>C兼容接口：0.72V 至 1.48V in 10mV Steps</li><li class="mv5">可调整的电流限制</li><li class="mv5">可调整的过热关机机制</li><li class="mv5">快速瞬态响应</li><li class="mv5">0.8V至8V可调整的输出电压</li><li class="mv5">固定700kHz切换频率</li><li class="mv5">针对所有陶瓷电容进行优化</li><li class="mv5">外部可调整、预偏置兼容的软启动</li><li class="mv5">输入欠压锁定</li><li class="mv5">输出过压和欠压保护</li><li class="mv5">电源良好指示</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"> 工业和商用低功率系统</li><li class="mv5"> 计算机外设</li><li class="mv5"> LCD 监视器和电视</li><li class="mv5"> 节能电器</li><li class="mv5"> 高性能 DSP/FPGA/ASIC 负载点稳压器</li>
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