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Product Detailed Parameters
- Description：IC POE CNTRL 1 CHANNEL 10MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- 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 ~ 85°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 LT4275CIMS#TRPBF is a Power over Ethernet (PoE) Powered Device (PD) controller manufactured by Analog Devices Inc. It supports IEEE 802.3af, 802.3at, and LTPoE++ standards. The device operates with an input voltage range of 23V to 60V and draws a maximum supply current of 2mA. It is housed in a 10-MSOP (3.00mm wide) package and functions as a single-channel controller without internal switches. The component is rated for industrial operating temperatures from -40°C to 85°C.
Feature Summary
- Supports proprietary LTPoE++ classification schemes for high-power delivery up to 90W
- Pin-for-pin compatible with other LT4275 family members for design flexibility
- Integrates auxiliary power input handling for mixed-source applications
Applications
- High-power PoE powered devices requiring LTPoE++ compliance
- Industrial networking equipment with auxiliary power inputs
- IoT gateways and sensors utilizing mixed DC/AC auxiliary sources
Procurement Notes
Verify the specific suffix 'IMS' corresponds to the MSOP package and lead-free status. Confirm availability through authorized distributors as stock levels fluctuate. Ensure the order includes the '#TRPBF' designation for tape-and-reel packaging if required for automated assembly processes.
Selection Notes
Select this component when designing systems requiring support for both standard IEEE PoE and extended power LTPoE++. It is suitable for applications needing auxiliary power integration alongside PoE. Consider the MSOP package size constraints and the 23V-60V input range compatibility with your downstream DC-DC converter topology.
Part Context
This part belongs to the LT4275 family of PoE PD controllers from Analog Devices. The family offers pin-compatible variants such as LT4275A and LT4275B, allowing designers to scale power capabilities or adjust classification features without changing the PCB layout. The LT4275C specifically targets applications supporting the broader LTPoE++ ecosystem.
Replacement Considerations
Direct substitutes within the same family include LT4275AIMS#TRPBF and LT4275BIMS#TRPBF, which share pin compatibility. For evaluation purposes, the DC2093A-C board supports the LT4275C. Verify that any replacement maintains the required LTPoE++ classification support and auxiliary input functionality.
