LTC4267 Datasheet - Linear Technology

LTC4267, Power over Ethernet IEEE 802.3af PD Interface

U U LTC4267 Power over Ethernet IEEE 802.3af PD Interface with Integrated Switching Regulator .

LTC4267_LinearTechnology.pdf

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Datasheet Details

Part number:

LTC4267

Manufacturer:

Linear Technology

File Size:

2.01 MB

Description:

Power over Ethernet IEEE 802.3af PD Interface

Features

* Complete Power Interface Port for IEEE 802®.3af Powered Device (PD)
* Onboard 100V, 400mA UVLO Switch
* Precision Dual Level Inrush Current Limit
* Integrated Current Mode Switching Regulator
* Onboard 25kΩ Signature Resistor with Disable
* Programmable Classiﬁcation Curren

Applications

* The LTC4267 integrates the 25kΩ signature resistor, classiﬁcation current source, thermal overload protection, signature disable and power good signal along with an undervoltage lockout optimized for use with the IEEErequired diode bridge. The precision dual level input current limit allows the LTC

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LTC4267 Power over Ethernet IEEE 802.3af Interface Linear Technology

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