Integrated PoE-PD Interface Controller with Vaux support, IEEE 802.3at, 30W

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Overview

The NCP1093 and NCP1094 are members of ON Semiconductor’s Power over Ethernet (PoE) Powered Device (PoE−PD) product family and integrate an IEEE802.3af certified interface controller.

Both Variants incorporate the required functions such as detection, classification, under voltage lockout, inrush and operational current limit. A power good and NCLASS_AT signal have been added to guarantee proper control of the DC-DC converter for both type-I and type-II operation. In addition, the NCP1093 offers programmable under voltage lockout while the NCP1094 provides an auxiliary pin for applications supporting auxiliary supplies.

The NCP1093 and NCP1094 are fabricated in a robust high voltage process and integrate a rugged vertical N-channel DMOS suitable for the most demanding environments and is capable of withstanding harsh environments such as hot swap and cable ESD events.

  • Voice over IP
  • Wireless access points
  • IP camera
  • WiMax
  • Fully supports IEEE 802.3af/at specifications- Allows for up to 30W of power- Certified interoperability between PoE devices
  • Overtemperature protection
  • Industrial temperature range 40C to 85C with full operation up
    to 125C junction temperature

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ECAD Models

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PoE Standard

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Pass-FET RDS(on)

Rear Aux. Vcc

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NCP1094MNRG

Active

Pb

A

H

P

DFN-10

3

260

REEL

3000

Y

802.3at

25.5

4

600

1

-

Adapter priority

$0.6095

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