Class 3,Cost-Optimized,Flyback Converter Reference Design for PoE Applications PMP7355 (ACTIVE)

Description & Features

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Description

This reference evaluation module, featuring the TPS23753A PoE interface and isolated converter controller, is used for class 3 PoE applications where low cost is required.

The flyback topology with diode rectifier results in a low cost converter with reasonable size and efficiency.

Features
  • Isolated non synchronous flyback
  • 5V at 2A output
  • Low cost
  • Uses TPS23753A IEEE 802.3-2005 PoE PD and PWM controller
  • Small board size
  • This circuit is fully functional tested and recommended for new designs

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Schematic/Block Diagram

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Test Data

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Design Files

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Parametrics
 PMP7355.1
(Output Voltage 1)
Vin (Min) (V)36
Vin (Max) (V)57
Vout (Nom) (V)5
Iout (Max) (A)2
Output Power (W)10
Isolated/Non-IsolatedIsolated
Input TypeDC
TopologyFlyback- Non Sync
POE

TI Devices (2)

Order samples, get tools and find more information on the TI products in this reference design.

Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
TLV431A  1% Accuracy Low-Voltage Adjustable Precision Shunt Regulator  Voltage references  Sample & Buy View Design Kits & Evaluation Modules
TPS23753A  IEEE 802.3-2005 PoE Interface and Isolated Converter Controller with Enhanced ESD Ride-Through  Power over Ethernet (PoE)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
TLV431A Download Download
Download Download
Download -
Download Download
Download -
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TPS23753A Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 327 16 Sep 2013
Design files (4)
Title Type Size (KB) Date
ZIP 506 16 Sep 2013
PDF 155 16 Sep 2013
PDF 114 16 Sep 2013
PDF 40 16 Sep 2013

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