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This is the kit used by Coilcraft designers to provide fast
turnaround of planar transformer samples. You can experiment with
the number of turns, DCR and the location of the windings within the
assembly (interleaving). The pre-designed windings allow quick evaluations
and designs that are ready-to-go for production.
You can design planar transformers for the following
topologies and power levels, based on 100 kHz switching frequency.
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Full bridge and half bridge - 140 Watt
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Push pull converter - 100 Watt
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Forward converter - 50 Watt
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Flyback - 25 Watt
The
prototype transformers can have up to 12 primary turns and four secondary
turns. Effective core cross-sectional area is 0.473 cm2 (0.410 cm2
min). Primary to secondary isolation of
the production parts is 1500 Vdc. All specifications can be found in the kit
manual.
The prototype can be assembled, placed in the circuit
and tested, with no tooling expense and no waiting. After your prototype
proves successful, your design can be submitted to Coilcraft for a
production run.
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