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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：13 W
- Internal Switch(s)：No
- Auxiliary Sense：Yes
- Standards：802.3af (PoE)
- 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 LT4275CHMS#PBF is a Powered Device (PD) controller supporting IEEE 802.3af/at and LTPoE++ standards. It operates with an input voltage range of 9V to 60V and supports output power levels including 13W and 25W configurations. The device utilizes a DC to DC conversion topology within a 10-MSOP package.
Feature Summary
- Supports IEEE 802.3af/at and LTPoE++ powered device classifications
- Enables auxiliary input integration for 12VDC and 24VAC sources
- Provides pin-for-pin compatibility across the LT4275 family
Applications
- IEEE 802.3af Type 1 powered devices requiring 13W output
- LTPoE++ powered devices utilizing proprietary classification schemes
- Systems integrating auxiliary 12VDC or 24VAC power inputs alongside PoE
Procurement Notes
Verify the specific suffix against official Analog Devices documentation to confirm package type and tape/reel specifications. Ensure the component matches the required IEEE standard compliance for your design. Cross-reference the manufacturer part number with authorized distributors to confirm current availability status and lead times prior to ordering.
Selection Notes
Select this controller for designs requiring support for both legacy IEEE 802.3af/at standards and advanced LTPoE++ protocols. The device is suitable for applications needing flexible auxiliary power input options. Consider the 10-MSOP package constraints and thermal requirements when finalizing the PCB layout for the target power output level.
Part Context
The LT4275 series consists of pin-for-pin compatible PD controllers from Analog Devices. This component belongs to a family that includes variants like LT4275A and LT4275B, which offer extended power capabilities up to 90W via proprietary LTPoE++ classification. The CHMS variant specifically addresses standard PoE and auxiliary input integration needs.
Replacement Considerations
LT4275AHMS#PBF and LT4275BHMS#PBF are pin-compatible members of the same family. Verify if the higher power classification capabilities of these variants are necessary for the application.
