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    STEVAL-TSP004V2

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    5 V/4 A, synchronous flyback converter, Power Over Ethernet (PoE) - IEEE 802.3at compliant reference design
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    Parameter NameParameter Value
    Target ApplicationDC-DC Topologies
    Core ProductPM8803
    ECCN USEAR99
    ECCN EUNEC
    Packing TypeNot Applicable
    RoHs compliantEcopack2
    GradeIndustrial
    Package NameCARD

    The STEVAL-TSP004V2 is a reference design for a PoE+, high-efficiency, 5 V/4 A flyback converter based on the PM8803 PoE controller.


    The PM8803 is a highly integrated device embedding an IEEE802.3at-compliant powered device (PD) interface together with a PWM controller and support for auxiliary sources.


    The STEVAL-TSP004V2 reference design is based on an isolated flyback CCM converter featuring synchronous rectification with gate driver transformer.

    Key features
    • IEEE 802.3at compliant PD interface
    • Works with power supplied from Ethernet LAN cables or from local auxiliary sources
    • Line input voltage range: 40 to 60 VDC
    • Output voltage: 5 VDC ± 5%
    • Output current: 4 A
    • Peak-to-peak output ripple: < 30 mV
    • Efficiency DC-DC full-load: > 92%
    • Overall peak efficiency: > 89%
    • Transient response ΔVOUTPK-PK to 50% load step: < 170 mV
    • ΔV in load line case: < 0.5%
    • RoHs compliant
    Associated Products