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500 W Server Power Supply using TOLL Package DTMOS

Simple Block Diagram
Simple Block Diagram
Efficiency Curves
Efficiency Curves

Video

Description

Input voltage AC 90 to 264 V
Output voltage DC 12 V
Output power 500 W
Circuit topology Continuous Current Mode PFC, LLC (Half-Bridge) + Synchronous Rectification, Oring Circuit for Output

Features

Features
  • Smaller size because of TOLL package MOSFET
  • 1 U rack size and high efficiency power supply
  • Total efficiency:93.2 % (Vin = 230 V at 100 % load)
  • Outline size:192 mm x 135 mm x 40 mm
  • Uses optimum power MOSFET 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
TK090U65Z MOSFET PFC・1 DTMOSVI/650 V/90 mΩ (max) @VGS = 10 V/TOLL
TK20A60W5 MOSFET Primary side・2 DTMOSIV/600 V/175 mΩ (max) @VGS = 10 V/TO-220SIS
TPH1R306P1 MOSFET Secondary side・4 U-MOSIX-H/60 V/1.28 mΩ (max) @VGS = 10 V/SOP Advance
TPHR9203PL MOSFET Oring・3 U-MOSIX-H/30 V/0.92 mΩ (max) @VGS = 10 V/SOP Advance
TLP385 Photocoupler Output voltage feedback・1 DC input/Transistor output/BVS = 5000 Vrms/4pin SO6L

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