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ON Semiconductor FDMQ8205 | Demoboard FEBFDMQ8205_25.5W

GreenBridge for Power Over ethernet

Overview

TopologyFlyback Converter
Input voltage42.5-57 V
Output 110 V / 2.5 A
Output 25 V / 5 A
IC revision0.0.2

Description

GreenBridge™ FDMQ8205 evaluation board highlights the polarity protection bridge at input of PoE (Power over Ethernet) PD (Power device) so that the input will be insensitive to the polarity of a power source coupled to the device. The device itself may be sensitive to the polarity of the power source, but bridge rectifier can be configured to provide the proper polarity to the device when the polarity of the power source is reversed. GreenBridge replaces the conventional diode bridge to reduce the power dissipation caused by the large voltage drop of a diode bridge, resulting in a high efficiency power device while not compromising IEEE802.3af/at. The small package size of MLP4.5x5 reduces PCB area and increases power density

Features

Active MOSFET bridge with low forward drop to replace conventional diode bridge IEEE802.3af/at compliant

  • . Not compromise PoE detection and classification
  • . Works with 2 and 4-pair architecture Enhanced thermal performance package of 4x4.5mm MLP Wide operating voltage range up to 70V

Typical applications

  • Power over Ethernet (PoE) Power device (PD)

Products

Order Code Data­sheet Simu­lation Downloads Product seriesL
(µH)
IR
(A)
ISAT
(A)
RDC
(mΩ)
RDC max.
(mΩ)
fres
(MHz)
Data ratePoENumber of PortsTabHPLEOperating TemperatureLEDMountShield Tabs Samples
744373460033SPEC
9 files WE-LHMI SMT Power Inductor 0.33 13 38 3.5 3.9 124 -40 up to +125 °C SMT
74437346068SPEC
9 files WE-LHMI SMT Power Inductor 6.8 3.4 8 54 60 18 -40 up to +125 °C SMT
7499511611ASPEC

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

6 files WE-RJ45 LAN Transformer 350 1000BASE-T PoE+ (up to 600 mA) 1 Up Yes 0 up to +70 °C green/orange-yellow THT Yes
Order Code Data­sheet Simu­lation
744373460033SPEC
74437346068SPEC
7499511611ASPEC

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

Samples
Order Code Data­sheet Simu­lation Downloads Product seriesL
(µH)
IR
(A)
ISAT
(A)
RDC
(mΩ)
RDC max.
(mΩ)
fres
(MHz)
Data ratePoENumber of PortsTabHPLEOperating TemperatureLEDMountShield Tabs Samples