LTC4278IDKD#TRPBF
RoHS 
RoHS compliant
RoHS compliantPackage 32-WFDFN Exposed Pad
Category Integrated Circuits (ICs) / PMIC - Power Over Ethernet (PoE) Controllers
Description
LTC4278 Active Tape & Reel (TR) 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 $4.936008
≥1000 USD $4.714195
≥3000 USD $4.298237
Inventory: 1120
Minimum: 1
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Technical Details
Supply Chain
Factory Lead Time 16 Weeks
Lifecycle Status PRODUCTION (Last Updated: 1 week ago)
Physical
Package / Case 32-WFDFN Exposed Pad
Surface Mount YES
Number of Pins 32
Technical
Operating Temperature -40°C~85°C
Packaging Tape & Reel (TR)
Published 2007
JESD-609 Code e3
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 32
ECCN Code EAR99
Type Controller (PD), DC/DC
Terminal Finish Matte Tin (Sn)
Subcategory Switching Regulator or Controllers
Technology CMOS
Voltage - Supply 37.2V~60V
Terminal Position DUAL
Terminal Form NO LEAD
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Terminal Pitch 0.4mm
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number LTC4278
Pin Count 32
Qualification Status Not Qualified
Input Voltage-Nom 14V
Number of Channels 1
Power - Max 25.5W
Current - Supply 1.35mA Max
Input Voltage (Min) 4.5V
Control Mode CURRENT-MODE
Input Voltage (Max) 20V
Control Technique PULSE WIDTH MODULATION
Switcher Configuration SINGLE
Internal Switch(s) Yes
Standards 802.3at (PoE+), 802.3af (PoE)
Dimensions
Height Seated (Max) 0.8mm
Length 7mm
Width 4mm
Compliance
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Alternative Model
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