40W Single Port MAX5971A Current Sensing (PDF) High-Efficiency, Low Cost Flyback Converter Uses No Optocoupler Feedback (PDF) High-Performance Class 2 Powered Device (PD) is Customizable for Class 3 Designs (PDF) Low-EMI, Active-Clamped Forward, Class 4 Powered Device (PD) Provides High-Efficiency Solution for PoE Applications (PDF) Pasadena (MAXREFDES31#): 3.3V and 5V PoE Powered Device (PDF)