High Efficiency Step Down Converter for Storage SSD ASIC Core Rail Reference Design
PMP7340
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Description & Features

Technical documentation

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Description

The PMP7340 uses the TPS53319 synchronous-buck SWIFT converter with integrated power MOSFETs using PowerStack technology  to provide a  highly efficienct, power dense 12V input to 1V output 5.7A solution .   The TPS53319 is ideal for powering low-voltage, high-current  SSD Controller ASICs as well as DDR core memory rail.

Features
  • Small external RC circuit that allows the D-CAP control mode to use low ESR 2x100uF and 1x22uF ceramic output capacitors. 
  • Fast 25us transient response (2.8A to 5.7A load-step)
  • Small 1uH inductor to save space
  • 500kHz switching frequency
  • 86% peak  efficiency from a 12V input to a 1V ouput.
  • No control loop compensation components.

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Schematic/Block Diagram

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Test Data

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Test Data

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Parametrics
 PMP7340.1
(Output Voltage 1)
Vin (Min) (V)10.8
Vin (Max) (V)13.2
Vout (Nom) (V)1
Iout (Max) (A)5.7
Output Power (W)5.7
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBuck- Synchronous
Designed forASIC

TI Devices (1)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
TPS53319  1.5V to 22V Input (4.5V to 25V Bias), 14A Synchronous Step-Down Converter with Eco-Mode™  Step-down (buck) regulators  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
TPS53319 Download Download

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Technical documentation

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User guides (1)
Title Type Size (KB) Date
PDF 571 13 Dec 2013
Design files (2)
Title Type Size (KB) Date
PDF 22 13 Dec 2013
PDF 25 13 Dec 2013

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