MAX5974CEVKIT#, Evaluation Kit for MAX5974C Active-Clamped, Spread-Spectrum, Current-Mode PWM Controller

Reference Design using part MAX5974CETE+ by Analog Devices

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MAX5974CEVKIT#, Evaluation Kit for MAX5974C Active-Clamped, Spread-Spectrum, Current-Mode PWM Controller.
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Manufacturer

Analog Devices
  • Application Category
    Power Supplies
  • Product Type
    DC to DC Single Output Power Supplies

For End Products

  • Forward Converter
  • IP Phone
  • PoE Powered Devices
  • Powered Device (PD) Applications
  • Security Camera
  • Wireless Access Nodes

Description

  • MAX5974CEVKIT#, Evaluation Kit (EV kit) is a fully assembled and tested surface-mount circuit board featuring the MAX5974C active-clamped, spread-spectrum, current-mode PWM controller for Power-over-Ethernet (PoE) powered device (PD) applications. The EV kit is a compact and low-cost design used in power-over-LAN (PoLAN) applications requiring DC power from an Ethernet network port for PDs such as IP phones, wireless access nodes, and security cameras. The EV kit features a galvanically isolated 25W, 250kHz switching-frequency, active-clamped, synchronous-rectified forward DC-DC converter using the IC. The device circuit achieves high efficiency up to 93.5% using a forward DC-DC converter topology. The surface-mount transformer provides up to +1500V galvanic isolation for the output. The EV kit output voltage is configured for +5V and provides up to 4.7A load current

Key Features

  • Conversion Type
    DC to DC
  • Input Voltage
    -39 to -57 V
  • Output Voltage
    5 V
  • Output Current
    4.7 A
  • Efficiency
    93.5 %
  • Topology
    Forward- Active Clamp

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