55 Vin, Low Noise Synchronous Buck Converter Reference Design with 6V, 7A Output

(ACTIVE) PMP10898

Description & Features

Technical Documents

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Key Document

Description

PMP10898 was designed to power a high frequency radio transmitter with up to 7 A off 6 V powered from "Telecom 48V".  This application needs both low noise and excellent dynamic response when load is switched from near zero to full. Also it needs satisfactory thermal performance for outdoors operation with wide temperature range and no fan. Test Report documents performance in all 3 areas.

Features
  • Low output ripple & well damped main switching node for noise sensitive applications such as high frequency radio
  • Tested at full load with no fan
  • Tested with step load from near no load to full load
  • Ultra-stable design: 75 degrees of Phase Margin & 20 dB gain margin
  • This circuit design is tested and includes a full test report, schematic, and gerber files

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.


  



Schematic/Block Diagram

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Design Guide

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Design Files

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Bill of Materials (BOM)

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Parametrics
 PMP10898.1
(Output Voltage 1)
Vin (Min) (V)50
Vin (Max) (V)55
Vout (Nom) (V)6
Iout (Max) (A)7
Output Power (W)42
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBuck- Synchronous

TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD19534Q5A  100V, N-Channel NexFET Power MOSFET  MOSFETs  Sample & Buy Not Available
TPS40170  4.5 V to 60 V Wide-Input Synchronous PWM Buck Controller  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD19534Q5A VSONP (DQJ)| 8 Download
TPS40170 Download Download

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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 431 11 Jan 2016 11
Design files (4)
Title Abstract Type Size (KB) Date Views
ZIP 136 11 Jan 2016 8
PDF 152 11 Jan 2016 6
PDF 31 11 Jan 2016 5
PDF 31 11 Jan 2016 7

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