LTC4278CDKD#PBF

Linear Technology LTC4278CDKD#PBF

Part Number:
LTC4278CDKD#PBF
Manufacturer:
Linear Technology
Ventron No:
3744477-LTC4278CDKD#PBF
Description:
IC POE 802.3AT PD W/REG 32-DFN
ECAD Model:
Datasheet:
LTC4278CDKD#PBF

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Specifications
Linear Technology LTC4278CDKD#PBF technical specifications, attributes, parameters and parts with similar specifications to Linear Technology LTC4278CDKD#PBF.
  • Factory Lead Time
    8 Weeks
  • Lifecycle Status
    PRODUCTION (Last Updated: 2 weeks ago)
  • Package / Case
    32-WFDFN Exposed Pad
  • Surface Mount
    YES
  • Number of Pins
    32
  • Operating Temperature
    0°C~70°C
  • Packaging
    Tube
  • Published
    2011
  • JESD-609 Code
    e3
  • Part Status
    Active
  • Moisture Sensitivity Level (MSL)
    1 (Unlimited)
  • Number of Terminations
    32
  • ECCN Code
    EAR99
  • Terminal Finish
    Matte Tin (Sn)
  • Subcategory
    Switching Regulator or Controllers
  • Technology
    CMOS
  • Voltage - Supply
    37.2V~60V
  • Terminal Position
    DUAL
  • Peak Reflow Temperature (Cel)
    260
  • Number of Functions
    1
  • Terminal Pitch
    0.4mm
  • Frequency
    100kHz
  • Reflow Temperature-Max (s)
    30
  • Base Part Number
    LTC4278
  • Pin Count
    32
  • Input Voltage-Nom
    14V
  • Number of Channels
    1
  • Nominal Supply Current
    1.35mA
  • Power - Max
    25.5W
  • Current - Supply
    1.35mA Max
  • Control Mode
    CURRENT-MODE
  • Control Technique
    PULSE WIDTH MODULATION
  • Nominal Input Voltage
    60V
  • Switcher Configuration
    SINGLE
  • Internal Switch(s)
    Yes
  • Standards
    802.3at (PoE ), 802.3af (PoE)
  • Height Seated (Max)
    0.8mm
  • Length
    7mm
  • Width
    4mm
  • Radiation Hardening
    No
  • REACH SVHC
    No SVHC
  • RoHS Status
    ROHS3 Compliant
Description
LTC4278CDKD#PBF Overview
As part of Tube, PoE controller is embedded.Packaged according to 32-WFDFN Exposed Pad.Controller (PD), DC/DC is the type of PoE controller.There is an increase in the number of channels strong/weak as follows: 1.Keeping its operating temperature at 0°C~70°C ensures PoE reliability.This electrical Po E controller operates at voltage 37.2V~60V.The base part number LTC4278 determines the Po E controllers.In a 32 termination, a transmission line is terminated with an impedance-matched power over ethernet controller.As far as the maximum power of this electrical ethernet over power controller is concerned, it is 25.5W Watts.There is a pin count of 32 on this ethernet over power controller.There is a supply current of 1.35mA Max in the system.There is a Po E controller like this in Switching Regulator or Controllers.A 32-pin design is used in it.There is a 260 thermal peak of this electrical ethernet power controller (Cel).100kHz frequencies are used by this electrical PoE ethernet controller.

LTC4278CDKD#PBF Features
Tube package
32 pin count
32 pins

LTC4278CDKD#PBF Applications
There are a lot of Linear Technology/Analog Devices LTC4278CDKD#PBF Power Over Ethernet (PoE) Controllers applications.

Single-Port PSE Power Injectors
Dual Signature PD/Forced UPOE
Commercial Information Displays
WLAN Access Points
Pico-base Stations
Single-Port PSE End-Point Applications
Public Information Displays
Power over Ethernet
High power (>12.95 W) powered devices
Midspan Applications
LTC4278CDKD#PBF More Descriptions
IEEE 802.3at PD with Synchronous No-Opto Flyback Controller and 12V Aux Support
Switching Controller, Current-mode, 110kHz Switching Freq-Max, CMOS, PDSO32
IEEE 802.3at PD w/ Sync No-Opt
IC, POWERED DEVICE CONTROLLER 60V DFN-32
IC POE 802.3AT PD W/REG 32-DFN
Power Device Controller IC; No. of Pins:32; Operating Temperature Range:0°C to 70°C; Controller Type:Power Over Ethernet PD; Features:Synchronous No-Opto Flyback Controller and 12V Aux Support; Input Voltage Primary Max:60V ;RoHS Compliant: Yes
Certification
  • ISO 9001
  • ISO 13485
  • ISO 45001
  • ASA
  • ESD
  • DUNS
  • SMTA
  • ROHS

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