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LINEAR TECHNOLOGY  LTC4271IUF#PBF  Power Over Ethernet (POE) Controller, 57 V/10 mA, 1 MHz Interface, 25V UVLO Threshold, QFN-24

LINEAR TECHNOLOGY LTC4271IUF#PBF
Manufacturer Part No:
LTC4271IUF#PBF
Newark Part No.:
59T5714
Technical Datasheet:
See all Technical Docs

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Product Overview

The LTC4271IUF#PBF is a 12-port Power Sourcing Equipment (PSE) Controller designed for use in IEEE 802.3 at type 1 and type 2 (high power) compliant power over Ethernet (PoE) systems. Transformer-isolated communication protocol replaces expensive opto-coup...
  • 12 Independent PSE channels
  • Compliant with IEEE 802.3 at type 1 and 2
  • Chipset provides electrical isolation
  • Eliminates up to 6 high speed opto-couplers
  • Eliminates isolated 3.3V Power supply
  • Low power dissipation
  • 0.25Ω Sense resistance per channel
  • Very high reliability 4-Point PD detection
  • 2-point Forced voltage
  • 2-point Forced current
  • VEE and VPORT Monitoring

 

Product Information

Input Voltage:
3.3V
Output Current:
-
UVLO:
25V
Controller IC Case Style:
QFN
No. of Pins:
24Pins
Duty Cycle (%):
-
Frequency:
1MHz
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Packaging:
Each
Product Range:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (17-Dec-2015)

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Applications

  • Communications & Networking

Legislation and Environmental

Moisture Sensitivity Level:
MSL 1 - Unlimited
RoHS Compliant:
Yes
Authorized Distributor

Substitutes

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