7 to 12Vin 1.2Vout 8A Step-down Conv for Powering Rails in Altera Arria V FPGA Reference Design
PMP8824
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Description & Features

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Description

The PMP8824 uses the TPS53318 DCAP Mode 8A step-down converter to power the VCCR_GXB, VCCL_GXB, VCCT_GXB rails in Altera Arria® V FPGAs enabling tight load regulation, low total component count, high efficiency, high power density, and excellent thermal performance. The complete design fits in 0.29 square inches and comes with a complete test report including power up and ENABLE into Short Circuit, Over-Current Thermal Stress, and demonstration of the Redundant OVP feature when the Feedback Node is shorted to GND.

Features
  • 90% peak efficiency
  • Less than 20degC Temperature Rise on XAL5030 output inductor (Tamb=24degC, 12VIN, 1.2V/6Aout)
  • 36 total power supply components (including IC)
  • 0.29 square inches total power supply area
  • Control Loop Phase Margin greater than 74 degrees
  • 32mV overshoot/27mV undershoot of output voltage in response to 50% load transient

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Schematic/Block Diagram

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Test Data

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Design Files

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Parametrics
 PMP8824.1
(Output Voltage 1)
Vin (Min) (V)8
Vin (Max) (V)16
Vout (Nom) (V)1.2
Iout (Max) (A)6
Output Power (W)7.2
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBuck- Synchronous

TI Devices (1)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
TPS53318  High-Efficiency 8-A Synchronous Buck Converter with Eco-mode ™  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
TPS53318 Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 3528 23 Oct 2013
Design files (3)
Title Type Size (KB) Date
ZIP 405 20 Nov 2013
PDF 77 23 Oct 2013
PDF 34 23 Oct 2013

Support & training

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