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RT6301B/RT6301BH 是一款适用于 LPDDR5 与 LPDDR5X 存储器的集成式电源管理 IC 解决方案。该器件提供两个单路降压电压调节器 VDD2 (1.05V/8A) 与 VDDQ (0.52V/3A)，以及一个负载开关 VDD1 (1.8V/1A)。RT6301B/RT6301BH 采用先进恒定导通时间 (ACOT<sup>®</sup>) 控制架构，可提供超快速瞬态响应，并进一步减少外部元件数量。在稳态下，ACOT<sup>®</sup> 可在线路、负载与输出电压范围内以近乎恒定的开关频率运行，并简化 EMI 滤波器设计。RT6301B/RT6301BH 在轻载条件下以二极管仿真模式 (DEM) 运行，可提供最佳轻载效率。其亦支持多种运行模式 S0、S3 与 S4/5，并由 EN/EN_VDDQ 控制输入控制。RT6301B/RT6301BH 提供完整保护功能，包括逐周期电流限制、OVP、UVP、输入 UVLO 与 OTP。所有功能均集成于 WQFN-19L 3x3 (FC) 封装中。建议结温范围为 −40°C 至 125°C。
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<li class="mv5"> Wide Input Supply Range: 4.5V to 23V for HV Buck Converter<br /> </li><li class="mv5"> Three High-Efficiency Output Regulators:<br /> - VDD1 (Load Switch): 1.8V/1A<br /> - VDD2 (HV Buck Converter): 1.05V/8A<br /> - VDDQ (LV Buck Converter): 0.52V/3A<br /> </li><li class="mv5"> 12A Peak Output Current for VDD2<br /> </li><li class="mv5"> Compliant with LPDDR5/5X Power-On/Off Sequence in JEDEC Standard<br /> </li><li class="mv5"> Protection Option: <br /> - RT6301B: Latch Mode<br /> - RT6301BH: Hiccup Mode<br /> </li><li class="mv5"> Stable Operation with POSCAP and MLCC Capacitors<br /> </li><li class="mv5"> Fast Transient Response with ACOT<sup>®</sup> Control<br /> </li><li class="mv5"> Diode Emulation Mode (DEM) for Power Saving<br /> </li><li class="mv5"> Low R<sub>DS(ON)</sub> Internal Power MOSFETs<br /> </li><li class="mv5"> Current-Limit Protection<br /> </li><li class="mv5"> Output Undervoltage or Overvoltage Protection (UVP/OVP)<br /> </li><li class="mv5"> Input Undervoltage-Lockout (UVLO)<br /> </li><li class="mv5"> Over-Temperature Protection (OTP)<br /> </li><li class="mv5"> Power-Good Indicator</li>
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<li class="mv5"> Laptop Computers<br /> </li><li class="mv5"> Tablet PCs<br /> </li><li class="mv5"> Networking Systems<br /> </li><li class="mv5"> Distributed Power Systems</li>
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