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LTC4279IUFD The Analog Devices LTC4279IUFD is a single-channel Power over Ethernet (PoE) controller designed for PSE applications. It supports multiple PoE standards and operates within a specified voltage range.
Mfr Part #:

LTC4279IUFD

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The Analog Devices LTC4279IUFD is a single-channel Power over Ethernet (PoE) controller designed for PSE applications. It supports multiple PoE standards and operates within a specified voltage range.
✓ Total Stock: 12 pcs
$ Price Range: $1.57

LTC4279IUFD Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
PROSOFT ELECTRONICS ✓
Non-Authorised Inventory information
12 pcs
On Request
12 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

LTC4279IUFD Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Auxiliary Sense
Current
Internal Switch(s)
Mounting Type
Number of Channels
Operating Temperature
Power
SVHC Present
Standards
Supplier Device Package
Type
Voltage
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LTC4279IUFD Description

Short technical summary and product information.

The LTC4279IUFD from Analog Devices is a highly integrated Power over Ethernet (PoE) controller designed for Power Sourcing Equipment (PSE) applications. This device manages a single channel, supporting IEEE 802.3at (PoE+) and 802.3af (PoE) standards, as well as LTPoE++.

 

Key electrical specifications include an operating voltage range of 45V to 57V and a power handling capability of up to 90W. The controller operates with a low current draw of 1.7mA and features no internal switch, requiring external components for switching functionality. It also includes auxiliary sense capabilities.

 

The LTC4279IUFD is supplied in a 20-QFN (4x5) package, specifically a 20-WFQFN Exposed Pad, designed for surface mounting. The operating temperature range is -40°C to 85°C, making it suitable for various environmental conditions. This component is part of the Power Over Ethernet (PoE) Controllers category within Power Management ICs.

LTC4279IUFD Quick Information

Product Type: PoE Controller
Canonical Name: LTC4279IUFD Power Over Ethernet Controller
Subcategory: Power Management (PMIC)

LTC4279IUFD Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LTC4279IUFD Estimated Pricing

Qty Low High
1+ $1.57 $1.57

Estimated market price range - modelled values for guidance only, not live distributor offers.

LTC4279IUFD Features

  • Single-channel PoE controller for PSE.
  • Supports 802.3at and 802.3af standards.
  • Operates from 45V to 57V input voltage.
  • Handles up to 90W of power.
  • Surface mountable 20-QFN package.

LTC4279IUFD Applications

  • Ideal for PoE-enabled network switches.
  • Suitable for Power over Ethernet injectors.
  • Used in IP phone and wireless access point power.
  • Applications requiring high power delivery.

LTC4279IUFD FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the LTC4279IUFD?

-40°C to 85°C.

What is the input voltage range for the LTC4279IUFD?

45V to 57V.

What package is the LTC4279IUFD available in?

20-QFN (4x5mm) with exposed pad.

What PoE standards does the LTC4279IUFD support?

802.3af (PoE), 802.3at (PoE+), and LTPoE++.

How many channels does the LTC4279IUFD have?

1 channel.

What is the maximum power output of the LTC4279IUFD?

90W.

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