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Product Overview
Digi-Key Part Number LTC4278CDKD#PBF-ND
Quantity Available 558
Can ship immediately

Manufacturer Part Number


Description Power Over Ethernet Controller 1 Channel 802.3at (PoE+), 802.3af (PoE) 32-DFN (7x4)
Lead Free Status / RoHS Status Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Manufacturer Standard Lead Time 6 Weeks
Documents & Media
Datasheets LTC4278
Product Training Modules Power over Ethernet Overview
LTPoe++ Controller Family Overview
Reference Design Library DC1561B: POE, 5V @ 4.5A, 9 ~ 57V in
EDA / CAD Models ? Download from Accelerated Designs
Catalog Page 1172 (CA2011 PDF)
Product Attributes Select All

Integrated Circuits (ICs)


PMIC - Power Over Ethernet (PoE) Controllers


Linear Technology

Series -
Packaging ? Tube ?
Part Status Active
Type Controller (PD), DC/DC
Number of Channels 1
Power - Max 25.5W
Internal Switch(s) Yes
Auxiliary Sense Yes
Standards 802.3at (PoE+), 802.3af (PoE)
Voltage - Supply 37.2 V ~ 60 V
Current - Supply 1.35mA (Max)
Operating Temperature 0°C ~ 70°C
Package / Case 32-WFDFN Exposed Pad
Supplier Device Package 32-DFN (7x4)
For Use With
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Additional Resources
Standard Package ? 52
Other Names LTC4278CDKDPBF

18:55:52 10/26/2016

Price & Procurement

All prices are in CAD.
Price Break Unit Price Extended Price
1 7.84000 7.84
25 5.24040 131.01
100 4.46360 446.36

Submit a request for quotation on quantities greater than those displayed.

Alternate Package | This part is also available in the following packaging:
  • Tape & Reel (TR) ? : LTC4278CDKD#TRPBF-ND
  • Minimum Quantity: 2,500  Non-Stock ?
  • Quantity Available: 0
  • Unit Price: 4.60480
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