Low

LTC4264CDE#PBF - 

Power Over Ethernet (POE) Controller, -57 V/3 mA, -38.9V UVLO Threshold, DFN-12

LINEAR TECHNOLOGY LTC4264CDE#PBF
LINEAR TECHNOLOGY LTC4264CDE#PBF

Image is for illustrative purposes only. Please refer to product description.

Manufacturer Part No:
LTC4264CDE#PBF
Order Code:
2295354
Technical Datasheet:
(EN)
See all Technical Docs

Product Information

:
DFN
:
0°C
:
-
:
-38.9V
:
70°C
:
-
:
12Pins
:
-
:
-57V
:
-
:
Each
:
MSL 1 - Unlimited
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Product Overview

The LTC4264CDE#PBF is an integrated Powered Device (PD) Interface Controller intended for IEEE 802.3af power over Ethernet (PoE) and high power PoE applications up to 35W. By including a precision dual current limit, the LTC4264 keeps inrush below the IEEE802.3af current limit levels to ensure interoperability success while allowing for high power PD operation. It includes a field-proven power MOSFET delivering up to 750mA to the PD load while maintaining compliance with the IEEE802.3af standard. Complementary power good outputs allow the controller to interface directly with a host of DC/DC converter products. It provides a complete signature and power interface solution for PD designs by incorporating the 25k signature resistor, classification circuitry, input current limit, undervoltage lockout, thermal overload protection, signature disable and power good signalling.
  • Complete high power PD interface controller
  • IEEE 802.3af compliant
  • Onboard 750mA power MOSFET
  • Complementary power good outputs
  • Flexible auxiliary power options
  • Precision dual current limit with disable
  • Onboard 25k signature resistor with disable
  • Undervoltage lockout
  • Complete thermal overload protection

Applications

Security, Communications & Networking

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