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TPS53631

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3-Phase, D-CAP+TM Step-Down VR12.x Server CPU Vcore

Product details

Rating Catalog Topology Multiphase Iout (max) (A) 120 Vin (max) (V) 20 Vin (min) (V) 4.5 Vout (max) (V) 2.5 Vout (min) (V) 0.5 Control mode D-CAP+ Features Adjustable current limit, Dynamic Voltage Scaling, Enable, Light Load Efficiency, PMBus, Phase Interleaving, Power good, Pre-Bias Start-Up, Remote Sense, SVID, Synchronous Rectification, UVLO adjustable, Voltage Margining Duty cycle (max) (%) 40 Iq (typ) (A) 0.01 Number of phases 3 Operating temperature range (°C) -10 to 105
Rating Catalog Topology Multiphase Iout (max) (A) 120 Vin (max) (V) 20 Vin (min) (V) 4.5 Vout (max) (V) 2.5 Vout (min) (V) 0.5 Control mode D-CAP+ Features Adjustable current limit, Dynamic Voltage Scaling, Enable, Light Load Efficiency, PMBus, Phase Interleaving, Power good, Pre-Bias Start-Up, Remote Sense, SVID, Synchronous Rectification, UVLO adjustable, Voltage Margining Duty cycle (max) (%) 40 Iq (typ) (A) 0.01 Number of phases 3 Operating temperature range (°C) -10 to 105
WQFN (RSB) 40 25 mm² (5 mm × 5 mm)
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Special Note

For a detailed datasheet and other design support tools please contact VR@list.ti.com.

Technical documentation

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Top documentation Type Title Format options Date
* Data sheet 3-Phase, D -CAP+TM Step-Down VR12.x Server CPU VCORE datasheet Jun 5, 2014
Application note Multiphase Buck Design from Start to Finish, Part 1 (Rev. B) Apr 7, 2021
Application note D-CAP+™ Control for Multiphase Step-Down Voltage Regulators for Powering Microp Jan 13, 2019
Technical article Powering Intel’s Xeon D SoC in servers, storage and switches PDF | HTML Jul 8, 2016
Application note SMT Guidelines for Stacked Inductor (Inductor On Top) on Voltage Regulator IC Feb 22, 2016

Design & development

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Reference design

TIDA-00324 — POL Multiphase (3-phase), 120A Power Reference Design

TIDA-00324 is a power reference design that highlights the multiphase controller TPS53631 and the Smart Power Stage CSD95372BQ5M in a 12V Vin, 1.2V Vout at 120A application.  This reference design can be used to help a user develop a Power Solution for CPU Vcore power or DDR4 power solution to (...)

Supported products & hardware
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WQFN (RSB) 40 Ultra Librarian

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