You have entered a value in the highlighted fields below that contain invalid characters. Please revise your selection using valid characters only.
Product may not be an exact match for your search
You previously purchased this product.
View in Order History
ANALOG DEVICES LTC4279IS#PBF
POE IC, PSE Controller, 57 V Input, 1 Channel, 123 W, 25 V UVLO, -40 to 85 °C, NSOIC-16
- Manufacturer:
- ANALOG DEVICES ANALOG DEVICES
- Manufacturer Part No:
- LTC4279IS#PBF
- Order Code:
- 4026197
-
-
Maximum Part Numbers added.
Delete older entries to add more.
- Product Range
- -
- Technical Datasheet:
- LTC4279IS#PBF Datasheet
- ECAD / MCAD
-
Product Overview
LTC4279 is a autonomous single port power sourcing equipment (PSE) controller designed for use in IEEE 802.3at type 1, type 2 and LTPoE++ compliant power over ethernet (PoE) systems. It provides fully autonomous IEEE 802.3 and LTPoE++ compliant operation without a microcontroller. It simplifies PSE implementation, requiring only a single supply and a small number of passive support components. It delivers lowest-in-industry heat dissipation by utilizing a low-RDS(ON) external MOSFET and a 0.1 ohm sense resistor, eliminating the need for expensive heat sinks and increasing efficiency. PD discovery uses a proprietary dual-mode 4-point detection mechanism ensuring excellent immunity from false PD detection. Midspan PSEs are supported with physical layer classification and a 2.5 second backoff timer. It is widely used in applications such as PoE PSE endpoints (switch/router), PoE midspan power injectors, power forwarders, femto cells, security systems etc.
- Supports LTPoE++® upto 90W, supports dual-signature PDs
- Robust short-circuit protection, status LED pin
- Classification dependent ICUT and ILIM current thresholds
- Supports 2-pair and 4-pair output power
- Pin-selectable detection backoff timer for midspans
- Pin programmable legacy PD detection
- Pin programmable maximum power mode
- VEE supply current is -1.7mA typical at (AGND – VEE = 55V, TA = 25°C)
- Operating temperature is -40°C to 85°C
- Package style is 16-lead NSOIC
Footnotes
ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party
Product Information
Want to see similar products? Simply select your required attributes below and hit the button ×
- :
- IEEE 802.3af, 802.3at, LTPoE++
- :
- PSE Controller
- :
- 57V
- :
- -
- :
- 25V
- :
- NSOIC
- :
- 16Pins
- :
- 1Channels
- :
- 123W
- :
- 6.3%
- :
- -
- :
- Surface Mount
- :
- -40°C
- :
- 85°C
- :
- -
- :
- MSL 1 - Unlimited
Technical Documents (2)
137 In stock Need more?
137 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays)
×
You can reserve stock now just order your desired quantity and checkout as normal. The quantity that cant be dispatched now will be placed on back order and sent as soon as we get a delivery from our supplier. You only get charged when the products are dispatched to you.
Extra stock is available upon order to the Supplier Lead Time which is approximately 9/1/25
137 deliver in 3-4 business days from our UK warehouse
Due to market conditions delivery times are for general guidance only and may be subject to change at short notice
¥1,640.60
(¥1,804.66 Inc. JCT)
Pricing is unavailable. Please contact customer services.
- Price for:
- Each
Multiple: 1 Minimum: 1
- 1+
- 10+
- 50+
- 100+
- 250+
- 500+
- 1000+
| Quantity | Price (Incl JCT) |
|---|---|
| 1+ | ¥1,640.60 (¥1,804.66) |
| 10+ | ¥1,119.75 (¥1,231.73) |
| 50+ | ¥900.60 (¥990.66) |
| 100+ | ¥830.06 (¥913.07) |
| 250+ | ¥804.54 (¥884.99) |
| 500+ | ¥791.78 (¥870.96) |
| 1000+ | ¥779.02 (¥856.92) |
| Quantity | Price (Incl JCT) |
|---|
Pricing is unavailable. Please contact customer services.
Filter Tool