LTC4257-1 Power over Ethernet Interface Controller

Linear Technology

Description

U U LTC4257-1 IEEE 802.3af PD Power over Ethernet Interface Controller with Dual Current Limit .

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Datasheet Specifications

Part number: LTC4257-1
Manufacturer: Linear Technology
File Size: 270.54 KB
Datasheet: LTC4257-1_LinearTechnology.pdf
Description: Power over Ethernet Interface Controller

Features

* Complete Power Interface Port for IEEE 802®.3af Powered Devices (PDs)
* Onboard 100V, 400mA Power MOSFET
* Precision Dual Level Current Limit
* Onboard 25k Signature Resistor with Disable
* Programmable Classification Current (Class 0-4)
* Undervoltage Lockout
* Thermal

Applications

* The LTC4257-1 is available in the 8-pin SO and low profile (3mm × 3mm) DFN packages. , LTC and LT are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. TYPICAL APPLICATIO Powered Device (PD)
* 48V FROM POWER SOURCING

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LTC4257-1 Power over Ethernet Interface Controller Linear Technology

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