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 |
Design Documents contain the documents below.
Design Data contains the contents listed below.
Part Number | Device Category | Portion Usage | Description |
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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) | |
Photocoupler (photo-IC output) | Communication between primary side and secondary side・2 | Photocoupler (photo-IC output), High-speed, 20 Mbps, 3750 Vrms, 5pin SO6 | |
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 | |
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 |