300W Isolated DC-DC Converter

This reference design provides specification, block diagram and PCB layout data of 300W isolated DC-DC converter which is small size and suitable for consumer applications.

Features of 300W Isolated DC-DC converter.
Block diagram of 300W Isolated DC-DC converter.

特性

  • Total efficiency : 94.5%(Vin=48V, 100% load)
  • Outline size : 82mm x 82mm x 24mm
  • Provides appropriate power MOSFETs and photocouplers totally.

說明

Input voltage DC 36 to 75V
Output voltage DC 12V
Output power 300W
Circuit topology Phase Shift Full Bridge + Synchronous Rectification
Efficiency curves of 300W Isolated DC-DC converter.
Efficiency Curves

設計文件

供設計人員使用的材料，例如電路操作概述和設計注意事項的解釋。請點擊每個選項以查看內容。

設計數據

提供可載入到EDA工具中的電路資料、PCB佈局資料以及PCB製造中使用的資料。來自多個工具供應商的可用格式。您可以使用喜歡的工具來自由的編輯它。

使用東芝項目/產品

器件型號 器件目錄 使用部位・數量 說明
Power MOSFET (N-ch single 60V<VDSS≤150V) Primary side・4 N-ch MOSFET, 100 V, 0.0115 Ω@10V, TSON Advance, U-MOSⅨ-H
Power MOSFET (N-ch single 60V<VDSS≤150V) Secondary side synchronous rectification・4 N-ch MOSFET, 100 V, 0.0037 Ω@10V, SOP Advance, U-MOSⅨ-H
Photocoupler (photo-IC output) Communication between primary side and secondary side・2 Photocoupler (photo-IC output), High-speed, 20 Mbps, 3750 Vrms, 5pin SO6
Schottky barrier diode Secondary side・1 30 V/1 A Schottky Barrier Diode, S-FLAT
Small-signal Schottky barrier diode Secondary side・7 40 V/0.5 A Schottky Barrier Diode, SOD-882(CST2)

相關文件

我們提供有助於設計和考慮類似電路的材料，例如已安裝產品的應用說明。請點擊每個選項以查看內容。

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