LTC4257 IEEE 802.3af PD Power over Ethernet Interface Controller

Linear Technology

Description

U U LTC4257 IEEE 802.3af PD Power over Ethernet Interface Controller .

📥 Download Datasheet

LTC4257 Datasheet Preview — Preview of LTC4257 PDF

Datasheet Specifications

Part number: LTC4257
Manufacturer: Linear Technology
File Size: 263.42 KB
Datasheet: LTC4257_LinearTechnology.pdf
Description: IEEE 802.3af PD Power over Ethernet Interface Controller

Features

* Complete Power Interface Port for IEEE 802.3af® Powered Devices (PDs)
* Onboard 100V, 400mA Power MOSFET
* Precision Input Current Limit
* Onboard 25k Signature Resistor
* Programmable Classification Current (Class 0-4)
* Undervoltage Lockout
* Smart Thermal Protection

Applications

* with quad network power controllers. The LTC4257 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
* 48V FROM PO

LTC4257 Distributors

📁 Related Datasheet

LTC4252B-1 LTC4252B-2 LTC4252C-1 LTC4252C-2 LTC4253A LTC4253A-ADJ

📌 All Tags

LTC4257 IEEE 802.3af Power over Ethernet Interface Controller Linear Technology

Linear Technology LTC4257-like datasheet