300 W 80 PLUS® ATX Reference Design
A High-Efficiency GreenPoint® Solution

Production Ready 80 PLUS® Reference Design

  • Active mode efficiency:
    20% load
    50% load
    100% load
    115 Vac in
    81.8%
    83.8%
    81.8%
    230 Vac in
    84.2%
    86.5%
    85.2%

  • Power factor controlled, meets IEC 61000-3-2 requirements
  • Exceeds ENERGY STAR® efficiency requirements for desktop computers, version 4.0
  • Exceeds Step #1 of the Climate Savers Computing Initiative
80 PLUS
ATX power supply reference design TL431: Programmable Precision Reference TL431: Programmable Precision Reference NCP1653: Power Factor Correction Controller MSR860: Soft Recovery Rectifier NCP1562: PWM Controller NCP1027: High−Voltage Switcher NCP4330: Secondary Side Synchronous Controller