ADI LTC4279IUFD#PBF

控制器（PSE）90 W802.3at（PoE+），802.3af（PoE），LTPoE++

Overview

The LTC4278IDKD#TRPBF is IC POE 802.3AT PD W/REG 32-DFN, that includes Controller (PD), DC/DC Type, they are designed to operate with a Tape & Reel (TR) Alternate Packaging Packaging, Package Case is shown on datasheet note for use in a 32-WFDFN Exposed Pad, it has an Operating Temperature range of -40°C ~ 85°C, Number of Channels is designed to work in 1, as well as the 37.2 V ~ 60 V Voltage Supply, the device can also be used as 32-DFN (7x4) Supplier Device Package. In addition, the Current Supply is 1.35mA (Max), the device is offered in 802.3at (PoE+), 802.3af (PoE) Standards, the device has a Yes of Internal Switch s, and Power Max is 25.5W, and the Auxiliary Sense is Yes.

The LTC4278CDKD#PBF is IC POE 802.3AT PD W/REG 32-DFN, that includes Yes Internal Switch s, they are designed to operate with a Yes Auxiliary Sense, Packaging is shown on datasheet note for use in a Tube Alternate Packaging, that offers Type features such as Controller (PD), DC/DC, Standards is designed to work in 802.3at (PoE+), 802.3af (PoE), as well as the 37.2 V ~ 60 V Voltage Supply, the device can also be used as 32-WFDFN Exposed Pad Package Case. In addition, the Supplier Device Package is 32-DFN (7x4), the device is offered in 25.5W Power Max, the device has a 1.35mA (Max) of Current Supply, and Number of Channels is 1, it has an Operating Temperature range of 0°C ~ 70°C.

Features

Tube Package
Tube package
20 pin count
20 pins

Surface Mount Mounting Type

Applications

There are a lot of Linear Technology/Analog Devices
LTC4279IUFD#PBF Power Over Ethernet (PoE) Controllers applications.

• Wireless Access Points
• Security Cameras
• Power over Ethernet
• PoE powered device appliances
• High power (>12.95 W) powered devices
• IEEE 802.3bt (Draft) Compliant Devices
• Lighting
• Power Modules
• Dual Signature PD/Forced UPOE
• 4PPOE