Reference Circuit 5044

Low-EMI, Active-Clamped Forward, Class 4 Powered Device (PD) Provides High-Efficiency Solution for PoE Applications



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 REFERENCE SCHEMATIC 5044: Low-EMI, Active-Clamped Forward, Class 4 Powered Device (PD) Provides High-Efficiency Solution for PoE Applications  (PDF, 1.5MB)

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MAX5974A
Active-Clamped, Spread-Spectrum, Current-Mode PWM Controllers

  • Peak Current-Mode Control, Active-Clamped Forward PWM Controller
  • Regulation Without Optocoupler (MAX5974A/MAX5974B)
  • Internal 1% Error Amplifier

MAX5969B
IEEE 802.3af/at-Compliant, Powered Device Interface Controllers with Integrated Power MOSFET

  • IEEE 802.3af/at Compliant
  • 2-Event Classification
  • Simplified Wall Adapter Interface