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.
Input voltage | DC 36 to 75V |
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Output voltage | DC 12V |
Output power | 300W |
Circuit topology | Phase Shift Full Bridge + Synchronous Rectification |
Materials for designers, such as an overview of circuit operation and explanations of design considerations. Please click on each tab to view the contents.
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.
Part Number | Device Category | Portion Usage | Description |
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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) |
We provide materials useful for designing and considering similar circuits, such as application notes for installed products. Please click on each tab to view the contents.