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3 kW Power Supply Unit for Server and Data Center Applications based on Infineon Solutions
The PSU comprises a front-end AC-DC bridgeless totem pole converter followed by a back-end DC-DC isolated half-bridge LLC converter. The front-end totem pole converter provides power factor correction (PFC) and total harmonic?distortion?(THD). The LLC converter provides safety isolation and a tightly regulated output voltage. The measured peak efficiency of the complete PSU at 230 VAC is 97.5 percent, not including the internal fan, and 97.4 percent, including the internal fan. The overall outer dimensions of the PSU are 73.5 mm x 520 mm x 40 mm, which yields a power density in the range of 32 W/cubic inch (1.95 W/cubic cm).
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Data center,Power & charging
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