Class 1 Isolated Synchronous Flyback Converter (3.3V/900mA) for PoE PD Applications Reference Design

(ACTIVE) PMP9068

Description & Features

Technical Documents

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Key Document

Description

This converter is used for Class 1 PoE PD applications where isolation is required.  The synchronous rectifier driven from the main xfmr provides good efficiency and low cost.  This converter is well suited for low cost IP Phone applications

Features
  • Isolated 3.3V/900mA output
  • Optional connections for non-isolated output
  • Synchronous rectifier for improved efficiency
  • Small size
  • TPS23753A combined PD/PWM controller

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


  




Parametrics
 PMP9068.1
(Output Voltage 1)
Vin (Min) (V)36
Vin (Max) (V)57
Vout (Nom) (V)3.3
Iout (Max) (A).9
Output Power (W)2.97
Isolated/Non-IsolatedIsolated
Input TypeDC
TopologyFlyback- Synchronous
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  Low Voltage Adjustable Precision Shunt Regulator  Voltage Reference  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)/LAN Solutions  Sample & Buy View Design Kits & Evaluation Modules

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 483 28 Sep 2015 36
Design files (3)
Title Abstract Type Size (KB) Date Views
ZIP 336 28 Sep 2015 27
PDF 103 28 Sep 2015 23
PDF 323 28 Sep 2015 97


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