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DDR memory type DDR5 Control mode D-CAP+ Iout VDDQ (Max) (A) 6 Iq (Typ) (mA) 5 Output VDD, VDDQ, VPP Vin (Min) (V) 4.5 Vin (Max) (V) 15 Features Complete Solution Rating Catalog Operating temperature range (C) -40 to 105
DDR memory type DDR5 Control mode D-CAP+ Iout VDDQ (Max) (A) 6 Iq (Typ) (mA) 5 Output VDD, VDDQ, VPP Vin (Min) (V) 4.5 Vin (Max) (V) 15 Features Complete Solution Rating Catalog Operating temperature range (C) -40 to 105
  • Single silicon design to support DDR5 applications
  • 3 Outputs to Supply VDD (1.1V), VDDQ (1.1V) and VPP (1.8V), with optional 4th Output (VDD2)
  • For 3 outputs, 12 A for VDD(SWA Dual Phase), 6 A for VDDQ(SWC) and 5 A for VPP(SWD) with 3 outputs
  • For 4 outputs, 6 A for VDD1(SWA), 6 A for VDD2(SWB), 6 A for VDDQ(SWC), and 5 A for VPP(SWD)
  • Differential remote sense: VDD, VDDQ, and VPP
  • D-CAP+™ control for fast transient response
  • Wide input voltage: 4.5 V to 15 V
  • Programmable internal loop compensation
  • Per-phase cycle-by-cycle current limit
  • Programmable frequency: 500 kHz to 1.375 MHz
  • Support I2C and I3C Bus Interface for telemetry of voltage, current, power, temperature, and fault conditions
  • Over-current, Over-voltage, Over-temperature protections
  • Persistent register (black box) feature
  • Low quiescent current
  • 5 mm × 5 mm, 35-Pin, QFN PowerPad™ Package
  • Single silicon design to support DDR5 applications
  • 3 Outputs to Supply VDD (1.1V), VDDQ (1.1V) and VPP (1.8V), with optional 4th Output (VDD2)
  • For 3 outputs, 12 A for VDD(SWA Dual Phase), 6 A for VDDQ(SWC) and 5 A for VPP(SWD) with 3 outputs
  • For 4 outputs, 6 A for VDD1(SWA), 6 A for VDD2(SWB), 6 A for VDDQ(SWC), and 5 A for VPP(SWD)
  • Differential remote sense: VDD, VDDQ, and VPP
  • D-CAP+™ control for fast transient response
  • Wide input voltage: 4.5 V to 15 V
  • Programmable internal loop compensation
  • Per-phase cycle-by-cycle current limit
  • Programmable frequency: 500 kHz to 1.375 MHz
  • Support I2C and I3C Bus Interface for telemetry of voltage, current, power, temperature, and fault conditions
  • Over-current, Over-voltage, Over-temperature protections
  • Persistent register (black box) feature
  • Low quiescent current
  • 5 mm × 5 mm, 35-Pin, QFN PowerPad™ Package

The TPS53830 is D-CAP+™ mode integrated step-down converter for DDR5 on-DIMM power supply. It provides VDD, VDDQ and VPP voltages to the DRAM chips on the DIMM module with configurable current capability. The high-current rail can be configured to 2-phase or 2 outputs to supply up to 12 A (or 6 A + 6 A) current with D-CAP+™ mode control. The converter also employs internal compensation for ease of use and reduce external components.

The converter provides a full set of telemetry, including input voltage, output voltage, and output current. overvoltage, undervoltage, overcurrent limit, and over-temperature protections are provided as well.

The TPS53830 is packaged in a thermally-enhanced 35-pin QFN and operates from -40°C to +125°C.

The TPS53830 is D-CAP+™ mode integrated step-down converter for DDR5 on-DIMM power supply. It provides VDD, VDDQ and VPP voltages to the DRAM chips on the DIMM module with configurable current capability. The high-current rail can be configured to 2-phase or 2 outputs to supply up to 12 A (or 6 A + 6 A) current with D-CAP+™ mode control. The converter also employs internal compensation for ease of use and reduce external components.

The converter provides a full set of telemetry, including input voltage, output voltage, and output current. overvoltage, undervoltage, overcurrent limit, and over-temperature protections are provided as well.

The TPS53830 is packaged in a thermally-enhanced 35-pin QFN and operates from -40°C to +125°C.

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* Data sheet TPS53830 Integrated Step-Down Digital Converter for DDR5 On-DIMM Power Supply datasheet 18 Aug 2021

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