Research Article
Less-Conventional Low-Consumption Galvanic Separated MOSFET-IGBT Gate Drive Supply
Table 1
Parameters of the transformer common mode filter.
| Parameters | Value |
| Magnetization inductance (min) | 1 mH | Magnetization inductance (measured) | 1.6 mH | Insulation between primary and secondary coils (rms, during 2 s) | 2.4 kV | Primary secondary coupling capacitor | 3 pF | Primary turns | 43 | Secondary turns | 43 | Rated current AC | 0.7 A | Maximum DC resistance (line) | 0.6 Ω | Rise temperature | 40 K | Weight | 3.5 g | Short circuit L-R impedance at 1 KHZ | 32 µH 1.017 Ω | Short circuit L-R impedance at 100 kHz | 31.16 µH, 0.86 Ω | Foot print | 10 × 14 mm | Pin distances size | 7 mm × 8 mm | Core cross sections | 3.0 mm × 3.0 mm | Apparent permeability | 2753 | Al | 865nH/turn2 | Magnetization losses at 7.5 V peak square | 8.23 mW | Short circuit resistor at 100 kHz | 0.855 Ω | Cost/unit in larger quantity | 0.35 Euro |
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Parameters from transformer catalogue. Parameters measured from the lab.
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