36W Industrial PoE Isolated Flyback Reference Design
PMP20692
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Key Document

Description

PMP20692 is an isolated flyback converter utilizing the LM5022 for industrial applications. This design accepts PoE input voltage of 54V ± 10%. The test report here is 54V in ± 10%, 12V out @ 3A of load current.  Switching frequency is set to 250kHz. A custom transformer is used in this test report for all the scope capture.

Features
  • 54Vin±10%, 12Vout @ 3A out – IC capable of 6V to 60Vin
  • 36W isolated output
  • Peak efficiency 92%
  • High power density: 110W/6 square inches
  • Secondary soft start

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Parametrics
 PMP20692.1
(Output Voltage 1)
Vin (Min) (V)48
Vin (Max) (V)60
Vout (Nom) (V)12
Iout (Max) (A)3
Output Power (W)36
Isolated/Non-IsolatedIsolated
Input TypeDC
TopologyFlyback

TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LM5022  6-60V Wide Vin, current mode boost, SEPIC and Flyback controller  Step-up (boost)  Sample & Buy View Design Kits & Evaluation Modules
TLV431B  0.5% Accuracy Low-Voltage Adjustable Precision Shunt Regulator  Voltage references  Sample & Buy Not Available

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
LM5022 Download Download
TLV431B Download Download
Download Download
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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 1170 09 Feb 2017
Design files (6)
Title Type Size (KB) Date
ZIP 418 09 Feb 2017
ZIP 531 09 Feb 2017
PDF 925 09 Feb 2017
PDF 133 09 Feb 2017
PDF 65 09 Feb 2017
PDF 334 09 Feb 2017

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