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Product Spec Banner
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RT6255A/B是高性能的同步Buck转换器，负载能力5A，输入电压范围为4.5V~18V，集成了低R<SUB>DS(ON)</SUB> MOSFET功率开关、0.6V参考电压源、自举二极体，构成了非常紧凑的方案。它采用改进型固定导通时间（ACOT<sup>®</sup>）控制架构，具有超快瞬态回应能力，周边元件少，在各种工作条件下的稳态工作频率几乎恒定不变，解决EMI问题的滤波器设计相对容易。它具有独立的使能控制和Power Good指示，有1.5ms软起动设计可限制启动期间的冲击电流，具有逐周期电流限制保护、欠压保护、输入欠压锁定保护和过热保护特性，其封装形式有TSOT-23-6(FC)和TSOT-23-8。
RT6255A/RT6255B 电路图
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<div class="spec-list"><ul class="lv1"><li>输入电压范围：4.5V~18V </li><li>负载能力：5A </li><li>采用ACOT<sup>®</sup>控制架构，具有超快瞬态回应能力 </li><li>稳态工作频率：500kHz <ul class="lv2"> <li></li><li>强制PWM模式（RT6255B） </li><li>轻载PSM模式（RT6255A） </li></ul> </li><li>针对使用低ESR陶瓷输出电容进行了优化 </li><li>输出电压可调范围：0.6V~5V </li><li>集成45mΩ/23mΩ功率开关 </li><li>逐周期电流限制保护 </li><li>预偏置相容软启动，时间1.5ms或外部可调可选 </li><li>Power Good指示可选 </li><li>输出欠压保护 </li><li>过热保护 </li><li>输入欠压锁定保护 </li><li>TSOT-23-6(FC)或TSOT-23-8(FC)封装 </li></ul></div>
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RT6255A/RT6255B 订购信息
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<div class="spec-list"><ul class="lv1"><li>机上盒 </li><li>可擕式电视机 </li><li>无线接入路由器 </li><li>数据机 </li><li>液晶电视机 </li></ul></div>
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