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Product Detailed Parameters
- Description：IC POE CNTRL 1 CHANNEL 10MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Type：Controller (PD)
- Number of Channels：1
- Power - Max：90 W
- Internal Switch(s)：No
- Auxiliary Sense：Yes
- Standards：802.3at (PoE+), 802.3af (PoE), LTPoE++
- Voltage - Supply：23V ~ 60V
- Current - Supply：2mA (Max)
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：10-MSOP
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Overview
The LT4275AHMS#PBF is a Powered Device (PD) controller supporting IEEE 802.3af/at/bt and LTPoE++ standards. It operates with an input voltage range of 9V to 60V and supports output power up to 90W. The device features a proprietary classification scheme for high-power applications. It includes auxiliary inputs for 12VDC and 24VAC, enabling hybrid power solutions. The component is housed in a 10-MSOP package and functions as a DC-to-DC converter interface.
Feature Summary
- Supports IEEE 802.3af, 802.3at, 802.3bt, and LTPoE++ protocols
- Enables hybrid power via dedicated auxiliary inputs
- Provides proprietary classification for high-power delivery
Applications
- LTPoE++ powered devices requiring up to 90W
- IEEE 802.3bt Type 4 powered equipment
- Hybrid power systems combining PoE and auxiliary sources
Procurement Notes
Verify the specific suffix #PBF indicates tube packaging when ordering. Confirm the manufacturer part number matches Analog Devices Inc. specifications exactly. Check current availability status as supply conditions may vary. Ensure the component meets required environmental operating temperatures for the intended application environment.
Selection Notes
Select this controller for designs requiring support for both standard PoE and high-power LTPoE++ classifications. It is suitable for applications needing flexible power sourcing through auxiliary inputs. Consider the 10-MSOP package constraints for PCB layout. Verify compatibility with downstream DC-to-DC conversion stages for the desired output power levels.
Part Context
This component belongs to the LT4275 family of PD controllers from Analog Devices. The family offers pin-for-pin compatibility across variants like LT4275BIMS and LT4275CHMS. These controllers are designed to manage power negotiation and delivery in Ethernet-powered networks.
Replacement Considerations
Direct substitutes include other LT4275 variants such as LT4275BIMS or LT4275CHMS, which share pin compatibility. Evaluate functional differences in classification schemes and maximum power ratings before substitution.
