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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
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100 W LLC DC-DC Converter

This reference design provides design guide, data and other contents of 100 W LLC DC-DC Converter which uses Zero Volt Switching implemented using LLC resonance.

Simple Block Diagram of 100 W LLC DC-DC Converter
Simple Block Diagram
Efficiency Curve of 100 W LLC DC-DC Converter
Efficiency Curve

Description

Input voltage DC 22.8 to 25.2 V
Output voltage DC 12 V 
Output power 100 W
Circuit topology LLC Resonance + Synchronous Rectification Circuit

Features

Board photo of 100 W LLC DC-DC Converter
  • Total efficiency : 88 % (Vin = 24 V, 100 % load)
  • Outline size : 110 mm x 110 mm x 35 mm (excluding input and output terminals on backside)
  • Uses optimum power MOSFETs and photocoupler

Reference design files

Design, Document

“Design・Document” contains the documents listed below.

Name

Design, File

“Design・File” contains the contents listed below.

*1:Actual PCB was designed on CR5000BD. The other files were made from CR5000BD file.
*2:The data was generated on CR5000BD.

Toshiba items

Part Number Device Category Portion Usage Description
TPN7R504PL MOSFET Primary-side main switch・2 40 V/7.5 mΩ (max) @VGS = 10 V/TSON Advance
TPH1R204PL MOSFET Secondary-side・2 40 V/1.24 mΩ (max) @VGS = 10 V/SOP Advance
TLP785-GR Photo Coupler Output voltage feedback・2 DC input/Transistor output/BVS = 5000 Vrms (min)/DIP4(TLP785)

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