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LT4294HDD#PBF

POE IC, PD Controller, 60 V Input, 1 Channel, 840 Hz, 71.3 W, -40 to 125 °C, DFN-EP-10

Date/Lot Code
ANALOG DEVICES LT4294HDD#PBF
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Manufacturer Part No:
LT4294HDD#PBF
Newark Part No.:
50AK5782
Technical Datasheet:
LT4294HDD#PBF   Datasheet
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Product Overview

LT®4294 is an IEEE 802.3af/at/bt-compliant powered device (PD) interface controller. The T2P output indicates the number of classification events received during IEEE 802.3bt-compliant mutual identification and negotiation of available power. This utilizes an external, low RDS(ON) N-channel hot swap MOSFET and supports the LT4320/LT4321 ideal diode bridges, to extend the end-to-end power delivery efficiency and eliminate costly heat sinks. This also includes a power good output, onboard signature resistor, undervoltage lockout, and thermal protection. Start-up inrush current is adjustable with an external capacitor. Pin-for-pin compatibility with the LT4275 family of PD interface controllers enables easy migration between LTPoE++ PDs and IEEE 802.3btcompliant PDs. Typical applications are high power wireless data systems, outdoor security camera equipment, commercial and public information displays, high temperature industrial applications.
  • Auxiliary power override is supported as low as 9V with the AUX pin
  • 5-event classification sensing, superior surge protection
  • Overtemperature protection, integrated signature resistor
  • External hot swap N-channel MOSFET for lowest power dissipation and highest system efficiency
  • Configurable aux power support as low as 9V
  • Easy migration between LTPoE++® PDs and IEEE 802.3bt PDs
  • VPORT aux mode range from 8 to 60V (at VPORT pin, AUX > VAUXT, TA=25°C)
  • Supply current is 2mA max (VVPORT=VHSSRC=57V, TA=25°C)
  • 10-lead plastic DFN package
  • Temperature rating range from -40°C to 125°C

Product Information

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:
IEEE 802.3af, 802.3at, 802.3bt

:
PD Controller

:
60V

:
-

:
-

:
DFN-EP

:
10Pins

:
1Channels

:
71.3W

:
50%

:
840Hz

:
-40°C

:
125°C

:
-

:
MSL 1 - Unlimited

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Technical Documents (1)

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