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Unboxing: 35 W Multi-output Auxiliary power supply for 800 VDC AI Data Centers (DER-1110)

Discover the DER-1110 reference design, a 35 W multi-output auxiliary power supply optimized for 800 VDC AI data centers. Built around the highly efficient InnoMux™-2 EP flyback switcher IC with a 1700 V PowiGaN™ switch, it delivers up to 88% efficiency across a 700-900 VDC input range. The design features six outputs, including a 14 V/2 A main rail and five isolated 14 V/0.1 A outputs for gate drivers, hot-swap control, and monitoring functions. Its compact, low-profile architecture enables deployment in space-constrained AI server platforms, including Nvidia's Kyber Blade rack system. SR-ZVS Zero Voltage Switching minimizes losses, simplifies thermal management without a heatsink, and supports compliance with global safety and energy standards.

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