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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：25.5 W
- Internal Switch(s)：No
- Auxiliary Sense：Yes
- Standards：802.3at (PoE+), 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 LT4275BHMS#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 up to 25W output power in standard configurations. The device utilizes a DC-to-DC conversion topology for PoE applications. It is housed in a 16-lead MSOP package and is designed for pin-for-pin compatibility within the LT4275 family.
Feature Summary
- Supports proprietary LTPoE++ classification schemes for enhanced power delivery capabilities
- Provides integrated polarity correction and robust protection mechanisms
- Enables auxiliary power input integration for combined PoE and external supply operation
Applications
- IEEE 802.3af/at/bt Powered Device implementations
- LTPoE++ Powered Device designs requiring higher power budgets
- Network infrastructure equipment with auxiliary power requirements
Procurement Notes
Verify the specific suffix and package type against the manufacturer's current datasheet to ensure compatibility with design requirements. Confirm availability status as distribution channels may report limited stock or discontinuation notices. Cross-reference the ordering part number with official Analog Devices documentation to validate manufacturing revisions and compliance certifications before finalizing procurement orders.
Selection Notes
Select this component when designing PDs requiring support for both legacy IEEE standards and high-power LTPoE++ classifications. Ensure the application circuit accommodates the specified 9V to 60V input range. Consider the MSOP package constraints for thermal management and board space. Verify that the system architecture aligns with the controller's auxiliary input capabilities if dual-source power is required.
Part Context
This component belongs to the LT4275 family of PoE PD controllers, which are pin-for-pin compatible across variants. The family supports various power levels and classification methods, including the proprietary LTPoE++ scheme. The LT4275 series is designed for flexible deployment in networked devices requiring reliable power over Ethernet connectivity.
FAQ
Does the LT4275BHMS#PBF support LTPoE++ classification?
Yes, the LT4275 family supports proprietary LTPoE++ classification schemes, enabling power delivery up to 90W depending on the specific variant and configuration.
What is the input voltage range for this controller?
The LT4275BHMS#PBF operates with an input voltage range from 9V to 60V, accommodating standard PoE and extended power applications.
