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The RT6300C/RT6300CH/RT6300D/RT6300DH is an integrated power management IC solution for LPDDR5 and LPDDR5X memory. This device provides two single buck voltage regulators VDD2H (RT6300C/ RT6300CH:1.065V/8A, RT6300D/RT6300DH: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 RT6300C/RT6300CH/RT6300D/RT6300DH 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 RT6300C/RT6300CH/RT6300D/RT6300DH adopts Advanced Constant On-Time (ACOT<sup>&reg;</sup>) control architecture that provides ultra-fast transient response and further reduces the number of external components. In steady states, the ACOT<sup>&reg;</sup> operates at a nearly constant switching frequency across line, load, and output voltage ranges, and simplifies the EMI filter design.The RT6300C/RT6300CH/RT6300D/RT6300DH 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 RT6300C/RT6300CH/RT6300D/RT6300DH 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&deg;C to 125&deg;C.
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  • Wide Input Supply Range: 4.5V to 23V for HV Buck Converter
  • 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)
  • 12A Peak Output Current for VDD2H
  • Support DVFSC and DVFSQ for LPDDR5/5X
  • Compliant with LPDDR5/5X Power-On and Power-Off Sequences in JEDEC Standard
  • Protection Option:
    - RT6300C/RT6300D: Latch Mode
    - RT6300CH/RT6300DH: Hiccup Mode
  • Stable Operation with POSCAP and MLCC Capacitors
  • Fast Transient Response with ACOT® Control
  • Diode Emulation Mode (DEM) for Power Saving
  • Low RDS(ON) Internal Power MOSFETs
  • Current-Limit Protection
  • Output Undervoltage or Overvoltage Protection (UVP/OVP)
  • Input Undervoltage-Lockout (UVLO)
  • Over-Temperature Protection (OTP)
  • Power-Good Indicator
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Laptop Computers<br />Tablet PCs<br />Networking Systems<br />Distributed Power Systems
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