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Linear ICs
TPS2379DDA
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Table Of Contents
FEATURES
APPLICATIONS
DESCRIPTION
ABSOLUTE MAXIMUM RATINGS
THERMAL INFORMATION
RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
DETAILED PIN DESCRIPTIONS
PowerPAD
TYPICAL CHARACTERISTICS
DETAILED DESCRIPTION
PoE OVERVIEW
Threshold Voltages
PoE Startup Sequence
Detection
Hardware Classification
Inrush and Startup
Maintain Power Signature
Startup and Operation
PD Hotswap Operation
CDB and T2P
Auxiliary Pass MOSFET Control
Using DEN to Disable PoE
APPLICATION INFORMATION
INPUT BRIDGES AND SCHOTTKY DIODES
Protection, D1
Capacitor, C1
Detection Resistor, RDEN
Classification Resistor, RCLS
CDB Pin Interface
GATE Pin Interface
EXTERNAL BOOST CIRCUIT (Q1, Q2, and RBLST) CONSIDERATIONS
T2P Pin Interface
THERMAL CONSIDERATIONS AND OTSD
ESD
LAYOUT
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