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12V, 1A Isolated PoE PD Power Supply Reference Design Status: ACTIVE

PMP940


      
         
  PMP940
Name12V, 1A Isolated PoE PD Power Supply Reference Design
StatusACTIVE
Price (US$)Free 

Product Information

Description

PMP940 is a high efficiency, isolated, synchrounous flyback Power-over-Ethernet PD power supply reference design intended to ease implementation of PoE in devices such as IP phones, WLAN AP's and security cameras. The reference design uses a TPS2375 PoE Powered Device Controller to implement all necessary detection, classification, inrush current limiting, UVLO and switch FET control necessary to be compliant with the IEEE802.3af Power-over-Ethernet standard. A UCC3809 Economy Primary Side Controller is used to generate 12V at 1A from the 48V PoE input. The design is optimized for maximum efficiency in the smallest board area possible.

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Related Devices
Part# Name Product Family
TPS2375 IEEE 802.3af PoE Powered Device Controllers Power Over Ethernet/LAN Solutions 
TPS2376 IEEE 802.3af PoE Powered Device Controllers Power Over Ethernet/LAN Solutions 
TPS2377 IEEE 802.3af PoE Powered Device Controllers Power Over Ethernet/LAN Solutions 
UCC3809 Economy Primary Side Controller Family AC/DC and DC/DC Power Supplies 

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