LTC4269-1 - IEEE 802.3at PD And Synchronous No-Opto Flyback Controller
Linear Technology Corporation
General Description
The LTC®4269-1 is an integrated Powered Device (PD) controller and switching regu
Key Features
n 25.5W IEEE 802.3at Compliant (Type 2) PD n Integrated State-of-the-Art Synchronous Flyback
Controller.
Isolated Power Supply Efficiency >92%.
88% Efficiency Including Diode Bridge and
Hot Swap™ FET n Flexible Integrated Auxiliary Power Support 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.
Full PDF Text Transcription for LTC4269-1 (Reference)
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FEATURES n 25.5W IEEE 802.3at Compliant (Type 2) PD n Integrated State-of-the-Art Synchronous Flyback Controller – Isolated Power Supply Efficiency >92% – 88% Efficiency In...
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k Controller – Isolated Power Supply Efficiency >92% – 88% Efficiency Including Diode Bridge and Hot Swap™ FET n Flexible Integrated Auxiliary Power Support n Superior EMI Performance n Robust 100V 0.7Ω (Typ) Integrated Hot Swap MOSFET n IEEE 802.
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