GaN transistor maker EPC had released a pair of physically thin 250W dc-dc converter demo boards for 48V rails. EPC9153 – max component height 6.5mm – synchronous buck converter, 98.2% peak efficiency 44 – 60Vin, 12 – 20Vout, 12.5A out, 400kHz switching EPC9148 – max component height 4mm – more complex three-level (four output transistor) topology, 98% ...

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