LTC4278IDKD
IC POE CNTRL 1 CHANNEL 32DFNManufacturer: Analog Devices Inc.
Categories: Power Over Ethernet (PoE) Controllers
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The Analog Devices Inc. LTC4278IDKD is a single-channel Power Over Ethernet (PoE) controller designed for IEEE 802.3at (PoE+) and 802.3af (PoE) compliant Power Sourcing Equipment (PSE). This device integrates internal switches and features auxiliary sensing capabilities, simplifying system design for PoE infrastructure. Operating from 37.2V to 60V, it supports up to 25.5W power delivery per channel. The LTC4278IDKD is housed in a 32-pin 7x4mm DFN package with an exposed pad for enhanced thermal performance, suitable for surface mount applications. It operates within a temperature range of -40°C to 85°C. This component is prevalent in networking equipment, wireless access points, and surveillance systems requiring robust power delivery over Ethernet.
Additional Information
Series: -RoHS Status: unknownManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDownload Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 32-WFDFN Exposed Pad |
| Mounting Type | Surface Mount |
| Type | Controller (PD), DC/DC |
| Operating Temperature | -40°C ~ 85°C |
| Voltage - Supply | 37.2V ~ 60V |
| Current - Supply | 1.35mA (Max) |
| Internal Switch(s) | Yes |
| Standards | 802.3at (PoE+), 802.3af (PoE) |
| Supplier Device Package | 32-DFN (7x4) |
| Auxiliary Sense | Yes |
| Number of Channels | 1 |
| Power - Max | 25.5 W |
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