LTC4257CDD-1#TRPBF
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- Mfr.Part #
- LTC4257CDD-1#TRPBF
- Manufacturer
- Analog Devices, Inc.
- Package / Case
- 8-WFDFN Exposed Pad
- Datasheet
- Download
- Description
- IC POE CNTRL 1 CHANNEL 8DFN
- Stock
- 39,213
- In Stock ：
- 39,213
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- Manufacturer :
- Analog Devices, Inc.
- Product Category :
- Power Over Ethernet (PoE) Controllers
- JESD-609 Code :
- e3
- Additional Feature :
- REQUIRES A NEGATIVE SUPPLY OF 48V
- ECCN Code :
- EAR99
- Number of Terminations :
- 8
- Pin Count :
- 8
- Operating Temperature :
- 0°C~70°C
- Package / Case :
- 8-WFDFN Exposed Pad
- Current - Supply :
- 3mA
- Width :
- 3mm
- Length :
- 3mm
- Peak Reflow Temperature (Cel) :
- 260
- Auxiliary Sense :
- No
- Type :
- Controller (PD)
- Adjustable Threshold :
- No
- Published :
- 2005
- Terminal Finish :
- Matte Tin (Sn)
- Number of Channels :
- 1
- Factory Lead Time :
- 10 Weeks
- Surface Mount :
- yes
- Voltage - Supply :
- 57V Max
- Power - Max :
- 12.95W
- Terminal Pitch :
- 0.5mm
- Height Seated (Max) :
- 0.8mm
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Number of Functions :
- 1
- Terminal Position :
- Dual
- Internal Switch(s) :
- yes
- Base Part Number :
- LTC4257
- JESD-30 Code :
- S-PDSO-N8
- RoHS Status :
- ROHS3 Compliant
- Packaging :
- Tape and Reel (TR)
- Standards :
- 802.3af (PoE)
- Datasheets
- LTC4257CDD-1#TRPBF
Power Over Ethernet (PoE) Controllers Analog Devices, Inc. LTC4257CDD-1#TRPBF Overview
The Power Over Ethernet (PoE) Controllers Analog Devices, Inc. LTC4257CDD-1#TRPBF is an advanced IC specifically engineered for efficient and reliable PoE applications. This controller facilitates the delivery of power alongside data over Ethernet cables, supporting IEEE 802.3af standards. Designed for a single channel, it integrates seamlessly into network devices, enabling power sourcing equipment (PSE) to safely deliver power to powered devices (PDs) without the need for additional wiring. Its compact 8-DFN package makes it ideal for space-constrained applications, enhancing its utility in modern network environments.
LTC4257CDD-1#TRPBF Features
- Integrated detection, classification, and current limiting functionalities
- Supports IEEE 802.3af compliant PoE applications
- High reliability with thermal overload protection
- Minimal external components required due to internal MOSFET
- Enhanced safety features including under-voltage lockout and over-voltage clamp
- Efficient operation with low power dissipation
LTC4257CDD-1#TRPBF Applications
- Network Cameras: Enables PoE for easy installation and reduced cabling by powering the camera directly through the network cable.
- Wireless Access Points: Facilitates the deployment in locations without convenient power outlets, leveraging PoE for both power and data transmission.
- VoIP Phones: Powers VoIP phones through the Ethernet cable, simplifying infrastructure and reducing installation costs.
- RFID Readers: Enhances deployment flexibility by using PoE to eliminate the need for dedicated power supplies, improving setup simplicity and operational efficiency.
- Networked Lighting Systems: Employs PoE for smart lighting solutions, enabling centralized power management and reducing installation complexity.
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