Three Different Buck Converter Circuits to Convert 12V to 1.2V at >6A Load Current Reference Design
PMP11438
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Key Document

Description

PMP11438 is a vehicle used to compare three different power solutions for converting a 12V bus to 1.2V at 6-10A. The 1.2V output voltage is applicable to DDR4 memory applications. Each solution offers an advantage in either full load efficiency, light load efficiency, density, height, transient response, or some combination of these.

Features
  • Two 1.2V/10A power converters and one 1.2V/6A converter
  • Switched-capacitor buck converter, multi-phase buck converter, and single POL buck converter
  • Light-Load efficiency available in all solutions
  • Solutions with sub 2mm height
  • On-board transient testers for controlled, high slew rate transient loads

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Design Files

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Parametrics
 PMP11438.1
(Output Voltage 1)
PMP11438.2
(Output Voltage 2)
PMP11438.3
(Output Voltage 3)
Vin (Min) (V)10.810.810.8
Vin (Max) (V)13.213.213.2
Vout (Nom) (V)1.21.21.2
Iout (Max) (A)10610
Output Power (W)127.212
Isolated/Non-IsolatedNon-IsolatedNon-IsolatedNon-Isolated
Input TypeDCDCDC
TopologyBuck- Multiphase
Buck- Synchronous
Buck- Multiphase
Buck- Synchronous
Buck- Synchronous

TI Devices (4)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD16410Q5A  25V, N ch NexFET MOSFETâ„¢, single SON5x6, 12mOhm  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
TPS53515  1.5V to 18V Input (4.5V to 25V Bias), 12-A Synchronous Step-Down SWIFT™ Converter  Step-down (buck) regulators  Sample & Buy View Design Kits & Evaluation Modules
TPS54A20  Small, 10MHz 10A, 8V to 14V Input, SWIFT Series Capacitor Step-Down Converter  Step-down (buck) regulators  Sample & Buy View Design Kits & Evaluation Modules
TPS62184  17-V, 6A, Synchronous Step-Down Converter with Power Good, 1% Accuracy, Adj. Soft Start/Tracking  Step-down (buck) regulators  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD16410Q5A VSONP (DQJ)| 8 Download Download
TPS53515 Download
TPS54A20 Download Download
TPS62184 Download -

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Technical documentation

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User guides (1)
Title Type Size (KB) Date
PDF 2536 21 Apr 2016
White papers (1)
Title Type Size (KB) Date
PDF 732 13 May 2016
Design files (4)
Title Type Size (KB) Date
ZIP 413 21 Apr 2016
PDF 77 21 Apr 2016
PDF 115 21 Apr 2016
PDF 171 21 Apr 2016

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