36-60V Input, 8.5V/400mA Synchronous Buck Reference Design PMP10847 (ACTIVE)

Description & Features

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Description

This design uses the LM5017 to generate an 8.5V at 400mA rail from a 36V-60Vdc source.  The constant on-time control method of the LM5017 minimizes the component count, resulting in a simple design. This supply achieves a peak efficiency over 87%.

Features
  • Constant on-time control minimizes component count
  • Up to 87% efficiency
  • Simple solution for telecom/server auxiliary supply

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Schematic/Block Diagram

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Design Files

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Parametrics
 PMP10847.1
(Output Voltage 1)
Vin (Min) (V)36
Vin (Max) (V)60
Vout (Nom) (V)8.5
Iout (Max) (A).4
Output Power (W)3.4
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
LM5017  7.5-100V Wide Vin, 600mA Constant On-Time Synchronous Buck Regulator  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
LM5017 Download Download
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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 824 09 Jan 2015
Design files (5)
Title Type Size (KB) Date
ZIP 234 09 Jan 2015
PDF 151 09 Jan 2015
PDF 36 09 Jan 2015
PDF 72 09 Jan 2015
PDF 103 09 Jan 2015

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