200 W Active Clamp Forward 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.

Exterior photo of 200 W active clamp forward DC-DC converter.
TPN5900CNH TPH3300CNH TPH9R00CQH TPH9R00CQH TLP785

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Features

  • Total efficiency : 90.8 % (Vin = 48 V, 100 % load)
  • Outline size : 130 mm x 115 mm x 30 mm (excluding input and output terminals on backside)
  • Uses optimum power MOSFETs and photocoupler

Description

Input voltage DC 38.5 to 60 V
Output voltage DC 24 V
Output power 10 to 200 W
Circuit topology Active Clamp Forward ＋ Synchronous Rectification
Efficiency curves of 200 W active clamp forward DC-DC converter.
Efficiency Curves

Design Documents

Materials for designers, such as an overview of circuit operation and explanations of design considerations. Please click on each tab to view the contents.

Design Data

Provides circuit data that can be loaded into EDA tools, PCB layout data, and data used in PCB manufacturing. Available in formats from multiple tool vendors. You can freely edit it with your preferred tool.

Used Toshiba Items

Part Number Device Category Portion Usage Description
Power MOSFET (N-ch single 60V<VDSS≤150V) Primary-side main switch・1 N-ch MOSFET, 150 V, 0.033 Ω@10V, SOP Advance, U-MOSⅧ-H
Power MOSFET (N-ch single 60V<VDSS≤150V) Primary-side clamp switch・1 N-ch MOSFET, 150 V, 0.059 Ω@10V, TSON Advance, U-MOSⅧ-H
Power MOSFET (N-ch single 60V<VDSS≤150V) Secondary-side・4 N-ch MOSFET, 150 V, 0.009 Ω@10V, SOP Advance / SOP Advance(N), U-MOSⅩ-H

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Server
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