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The RT6300 is an integrated power management IC solution for LPDDR5 and LPDDR5X memory. This device provides two single buck voltage regulators VDD2H (RT6300/ RT6300:1.065V/8A, RT6300:1.05V/8A) and VDDQ (0.52V or 0.32V/3A), one LDO VDD2L (0.92V/1.5A), and one load switch VDD1 (1.8V/1A). The RT6300 supports VDD2L and 1-bit VID to dynamically adjust the VDDQ output voltage, thus satisfying the requirements of LPDDR5/5X DVFSC and DVFSQ applications.The RT6300 adopts Advanced Constant On-Time (ACOT<sup>®</sup>) control architecture that provides ultra-fast transient response and further reduces the number of external components. In steady states, the ACOT<sup>®</sup> operates at a nearly constant switching frequency across line, load, and output voltage ranges, and simplifies the EMI filter design.The RT6300 operates in diode emulation mode (DEM) under the light load condition, offering optimal light load efficiency. It also supports multiple operational modes, S0, S3, and S4/5, controlled by the EN/EN_VDDQ control inputs. The RT6300 provides full protection functions, including the cycle-by-cycle current limit, OVP, UVP, input UVLO, and OTP.All functions are integrated in a WQFN-19L 3x3 (FC) package. The recommended junction temperature range is -40°C to 125°C.
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<div class="spec-list"><ul class="lv1"><li>Wide Input Supply Range: 4.5V to 23V for HV Buck Converter </li><li>Four High-Efficiency Output Regulators: - VDD1 (Load Switch): 1.8V/1A - VDD2H (HV Buck Converter): RT6300C/RT6300CH:1.065V/8A, RT6300D/RT6300DH:1.05V/8A - VDD2L (LDO): 0.92V/1.5A - VDDQ (LV Buck Converter): 0.32V/3A or 0.52V/3A (Selectable by VSEL Pin) </li><li>12A Peak Output Current for VDD2H </li><li>Support DVFSC and DVFSQ for LPDDR5/5X </li><li>Compliant with LPDDR5/5X Power-On and Power-Off Sequences in JEDEC Standard </li><li>Protection Option: - RT6300C/RT6300D: Latch Mode - RT6300CH/RT6300DH: Hiccup Mode </li><li>Stable Operation with POSCAP and MLCC Capacitors </li><li>Fast Transient Response with ACOT<sup>®</sup> Control </li><li>Diode Emulation Mode (DEM) for Power Saving </li><li>Low R<sub>DS(ON)</sub> Internal Power MOSFETs </li><li>Current-Limit Protection </li><li>Output Undervoltage or Overvoltage Protection (UVP/OVP) </li><li>Input Undervoltage-Lockout (UVLO) </li><li>Over-Temperature Protection (OTP) </li><li>Power-Good Indicator </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>Laptop Computers </li><li>Tablet PCs </li><li>Networking Systems </li><li>Distributed Power Systems </li></ul></div>
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