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High Power PoE PD Interface wi
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大小:223 |
2009-09-23
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High Power PoE PD Interface with Integrated Flyback Controller:To this day, Power over Ethernet (PoE) continues to gain
popularity in today’s networking world. The 12.95W
delivered to the Powered Device (PD) input supplied by
the Power Sourcing Equipment (PSE) is a universal supply.
Each PD provides its own DC/DC conversion from a
nominal 48V supply, thus eliminating the need for a correct
voltage wall adapter. However, higher power devices
can not take advantage of standard PoE because of its
power limitations, and must rely on a large wall adapter
as their primary supply. The new LTC4268-1 breaks this
power barrier by allowing for power of up to 35W for such
power-hungry 2-pair PoE applications. The LTC4268-1
provides a complete solution by integrating a high power
PD interface control with an isolated fl yback controller.
popularity in today’s networking world. The 12.95W
delivered to the Powered Device (PD) input supplied by
the Power Sourcing Equipment (PSE) is a universal supply.
Each PD provides its own DC/DC conversion from a
nominal 48V supply, thus eliminating the need for a correct
voltage wall adapter. However, higher power devices
can not take advantage of standard PoE because of its
power limitations, and must rely on a large wall adapter
as their primary supply. The new LTC4268-1 breaks this
power barrier by allowing for power of up to 35W for such
power-hungry 2-pair PoE applications. The LTC4268-1
provides a complete solution by integrating a high power
PD interface control with an isolated fl yback controller.
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