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LTC4278

Part Number	LTC4278
Manufacturer	Linear Technology
Description	IEEE 802.3at PD
Published	Sep 21, 2009
Detailed Description	LTC4278 FEATURES IEEE 802.3at PD with Synchronous No-Opto Flyback Controller and 12V Aux Support DESCRIPTION n 25.5W...
Datasheet	LTC4278 PDF File

Overview

LTC4278 FEATURES IEEE 802.
3at PD with Synchronous No-Opto Flyback Controller and 12V Aux Support DESCRIPTION n 25.
5W IEEE 802.
3at Compliant (Type 2) PD n 10V to 57V Auxiliary Power Input n Shutdown Pin for Flexible Auxiliary Power Support n Integrated State-of-the-Art No-Opto Synchronous Flyback Controller – Isolated Power Supply Efficiency >92% – 88% Efficiency Including Diode Bridge and Hot Swap™ FET n Superior EMI Performance n Robust 100V 0.
7Ω (Typ) Integrated Hot Swap MOSFET n IEEE 802.
3at High Power Available Indicator n Integrated Signature Resistor and Programmable Class Current n Undervoltage, Overvoltage and Thermal Protection n Short-Circuit Protection with Auto...

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