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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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1 kW Full-Bridge DC-DC Converter

This reference design provides design guide, data and other contents of 1 kW server power supply using phase shifetd full-bridge DC-DC converter.

Simple block diagram of 1 kW full-bridge DC-DC converter.
Simple Block Diagram
Efficiency curve of 1 kW full-bridge DC-DC converter.
Efficiency Curves

Description

Input voltage DC -36 to -60 V
Output voltage DC 54 V
Output power 1 kW
Circuit topology Phase-Shifetd Full-Bridge + Synchronous Rectification

Features

Exterior photo of 1 kW full-bridge DC-DC converter.
  • High efficiency and high power power supply
  • Total efficiency:94.7 % (Vin = -54 V at 100 % load)
  • Outline size:207 mm x 120 mm x 45 mm
  • Provides appropriate power devices (MOSFET) and photocouplers totally

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
TPH2R408QM

MOSFET

Primary-side・4 U-MOSX-H/80 V/2.43 mΩ (max) @VGS = 10 V/SOP Advance
TPH1500CNH MOSFET Secondary-side・8 U-MOSVIII-H/150 V/15.4 mΩ (max) @VGS = 10 V/SOP Advance
TLP2370 Photocoupler Communication between primary-side and secondary-side ・2 For high-speed communication/20 Mbps/Totem-pole output (BUF)/5pin SO6
TLP291(SE Photocoupler Output voltage feedback・1 DC input/Transistor output/BVS = 3750 Vrms/SO4

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