The LT4275BIDD#PBF is a high-performance Power over Ethernet (PoE) interface controller from Linear Technology, a part of Analog Devices, designed to simplify the implementation of PoE-powered devices. This advanced integrated circuit is ideal for applications requiring IEEE 802.3af or IEEE 802.3at compliant Power over Ethernet, such as IP cameras, wireless access points, and VoIP phones.

Key Features

• IEEE Compliance: Fully compliant with IEEE 802.3af/at standards, ensuring compatibility with other PoE equipment.
• Advanced Power Management: Features an integrated switching regulator to efficiently convert PoE supplied power to the required device voltage.
• Flexible Power Options: Supports both Auxiliary and PoE power inputs, providing redundancy and flexibility in power sourcing.
• Robust Protection: Includes overcurrent protection, thermal shutdown, and signature resistor disconnect features, safeguarding both the powered device and the power sourcing equipment.
• Compact Package: Available in a small 12-lead DFN package, making it suitable for space-constrained applications.

Applications

The LT4275BIDD#PBF is versatile and can be utilized across a broad range of PoE applications. It is particularly well-suited for:

• IP Security Cameras
• Wireless Access Points
• VoIP Phones
• Network Routers and Switches
• Industrial Control Systems

Technical Specifications

• Input Voltage Range: 9V to 57V
• Operating Temperature Range: -40°C to 85°C
• Package Type: 12-Lead Plastic DFN (4mm × 3mm)
• Part Number: LT4275BIDD#PBF

The LT4275BIDD#PBF's sophisticated design and robust feature set make it an excellent choice for developers looking to integrate PoE capabilities into their products with minimal hassle and maximum reliability. By choosing Linear Technology's LT4275BIDD#PBF, you are selecting a component that delivers performance, efficiency, and the quality assurance of a leading semiconductor manufacturer.