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Product Detailed Parameters
- Description：IC POE CNTRL 1 CHANNEL 16SSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Type：Controller (PD), DC/DC
- Number of Channels：1
- Power - Max：12.95 W
- Internal Switch(s)：No
- Auxiliary Sense：No
- Standards：802.3af (PoE)
- Voltage - Supply：57V (Max)
- Current - Supply：3mA (Max)
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：16-SSOP (0.154", 3.90mm Width)
- Supplier Device Package：16-SSOP
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Overview
The LTC4267IGN-3#PBF is a Power Over Ethernet (PoE) Powered Device (PD) controller designed for IEEE 802.3af compliance. It integrates a 300kHz current-mode switching regulator to provide a complete power solution. The device operates with a typical supply voltage of -57V and supports an input voltage range of 37V to 57V. It features a 16-pin SSOP package and functions within a temperature range of 0°C to 70°C.
Feature Summary
- Integrates an IEEE 802.3af compliant PD interface with a 300kHz current-mode switching regulator
- Provides a complete power solution for PoE applications by combining classification, detection, and regulation
- Supports hot-swap insertion capabilities to protect circuitry during connection
Applications
- IEEE 802.3af Powered Device interfaces
- Power management for networked devices requiring PoE input
- Evaluation of PD controller performance using Analog Devices development boards
Procurement Notes
Verify the specific suffix '#PBF' indicates lead-free RoHS-compliant packaging when ordering. Confirm the 'IGN' designation corresponds to the SSOP-16 package variant. Ensure compatibility with the intended operating temperature range of 0°C to 70°C for the final application environment before procurement.
Selection Notes
Select this component for designs requiring integrated PoE classification and DC-DC conversion in a single IC. It is suitable for applications needing IEEE 802.3af compliance without external control logic for the switching regulator. Consider the SSOP-16 package constraints for PCB layout and thermal management requirements.
Part Context
This part belongs to the LTC4267 family of PoE controllers from Analog Devices. It is specifically the '-3' variant, which includes the integrated 300kHz switching regulator. Related evaluation boards include the DC804B-A and DC859A, which are used for testing the LTC4267 series functionality.
Replacement Considerations
Publicly confirmed substitute part numbers for the LTC4267IGN-3#PBF are not available in the provided documentation. Engineers should consult official Analog Devices resources or distributor databases for cross-reference information.
