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TPS53830RWZR 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.

Specification Of TPS53830RWZR

Output Current:6 A

Input Voltage - Max:15 V

Input Voltage - Min:4.5 V

Minimum Operating Temperature:- 40 C

Maximum Operating Temperature:+ 105 C

Input Voltage Range:4.5 V to 15 V

Features Of TPS53830RWZR

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

Applications Of TPS53830RWZR

DDR5 On-DIMM Power Supply for Server

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