Switching Power Supply design, PSpice simulation

Nemesis II Demonstrating High Efficiency Flyback

Nemesis Demo Board v.B7 - 150W, 48V

Peak Efficiency: 95.4% @ 277Vac, 95.0% @ 230Vac, 93.3% @ 120Vac
PF, 50-100% load: >0.920 @ 277Vac, >0.968 @ 230Vac, >0.992 @ 120Vac
THD, full load: 10.1% @ 277Vac, 8.4% @ 230Vac, 3.8% @ 120Vac
Input Current waveforms
Input Standby Power, no load: 340mW @ 277Vac, 268mW @ 230Vac, 164mW @ 120Vac
Conducted EMI, Max Peak and Average detectors

Nemesis Demo Board v.B4 - 150W, 48V

Peak Efficiency: 94% @ 277Vac, 92% @ 120Vac
PF, 50-100% load: >0.931 @ 277Vac, >0.992 @ 120Vac
THD, full load: 9.9% @ 277Vac, 4.4% @ 120Vac
Input Standby Power, no load: 325mW @ 277Vac, 226mW @ 120Vac

Nemesis Demo Board v.B1 - 150W, 52V

Peak Efficiency: 92% @ 277Vac, 90.5% @
PF, 50-100% load: >0.918 @ 277Vac, >0.990 @ 120Vac
THD, full load: 20.6% @ 277Vac, 5% @ 120Vac
Input Standby Power, no load: 314mW @ 277Vac, 160mW @ 120Vac
Conducted EMI, 277Vac and 120Vac, Max Peak and Average detectors

Nemesis Demo Board Power Density: 8W/in³, 4.900" x 2.500" x 1.530"

Nemesis Demo Board Home

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