LTC4278IDKD#PBF
RoHS 
RoHS compliant
RoHS compliantPackage 32-WFDFN Exposed Pad
Category Integrated Circuits (ICs) / PMIC - Power Over Ethernet (PoE) Controllers
Description
LTC4278 Active Tube CMOS power over ethernet controller 1.35mA Max 7mm 37.2V~60V 25.5W
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Buying Options
Total Price: USD $6.6
Unit Price: USD $6.6
≥1 USD $6.6
≥10 USD $5.962
≥100 USD $5.6848
≥500 USD $4.936034
≥1000 USD $4.714195
≥3000 USD $4.298246
Inventory: 1267
Minimum: 1
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Technical Details
Compliance
RoHS Status ROHS3 Compliant
Dimensions
Width 4mm
Length 7mm
Height Seated (Max) 0.8mm
Technical
Standards 802.3at (PoE+), 802.3af (PoE)
Internal Switch(s) Yes
Switcher Configuration SINGLE
Control Technique PULSE WIDTH MODULATION
Input Voltage (Max) 20V
Control Mode CURRENT-MODE
Input Voltage (Min) 4.5V
Current - Supply 1.35mA Max
Power - Max 25.5W
Number of Channels 1
Input Voltage-Nom 14V
Qualification Status Not Qualified
JESD-30 Code R-PDSO-N32
Pin Count 32
Base Part Number LTC4278
Time@Peak Reflow Temperature-Max (s) 30
Terminal Pitch 0.4mm
Number of Functions 1
Peak Reflow Temperature (Cel) 260
Terminal Form NO LEAD
Terminal Position DUAL
Voltage - Supply 37.2V~60V
Technology CMOS
Subcategory Switching Regulator or Controllers
Terminal Finish Matte Tin (Sn)
Type Controller (PD), DC/DC
ECCN Code EAR99
Number of Terminations 32
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Part Status Active
JESD-609 Code e3
Published 2012
Packaging Tube
Operating Temperature -40°C~85°C
Physical
Surface Mount YES
Package / Case 32-WFDFN Exposed Pad
Supply Chain
Factory Lead Time 12 Weeks
Alternative Model
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