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LTC4257CDD#TRPBF

LTC4257CDD#TRPBF Description

The LTC4257CDD#TRPBF is an interface controller designed for Power over Ethernet (PoE) applications, specifically adhering to the 802.3af standard. Manufactured by Linear Technology, this controller is part of the Power Management Integrated Circuits (PMIC) category. It is designed for surface mount applications and is packaged in bulk form. The LTC4257CDD#TRPBF operates within a temperature range of 0°C to 70°C, making it suitable for a variety of environmental conditions. Despite its obsolete status, this controller remains a reliable choice for specific applications requiring PoE functionality.

LTC4257CDD#TRPBF Features

• Operating Temperature: The LTC4257CDD#TRPBF operates reliably within a temperature range of 0°C to 70°C, ensuring stable performance in moderate to warm environments.
• Mounting Type: Surface mount technology allows for efficient integration into compact and high-density designs.
• Power over Ethernet (PoE): Compliance with the 802.3af standard ensures compatibility with a wide range of PoE systems, providing up to 12.95 W of power.
• Internal Switches: The inclusion of internal switches simplifies design and reduces the need for external components, enhancing reliability and reducing overall system complexity.
• Supply Voltage and Current: The controller operates with a supply voltage of 57V and a supply current of 3mA, making it suitable for applications where power efficiency is critical.
• Channel Configuration: With a single channel, the LTC4257CDD#TRPBF is optimized for applications requiring straightforward power management solutions.
• Regulatory Compliance: The product is classified under ECCN EAR99 and HTSUS 8542.39.0001, ensuring compliance with international trade regulations.

LTC4257CDD#TRPBF Applications

The LTC4257CDD#TRPBF is ideal for applications that require efficient power delivery over Ethernet, such as:

• IP Cameras: Providing reliable power to networked security cameras without the need for separate power lines.
• Voice over IP (VoIP) Phones: Ensuring stable power supply for VoIP phones, enhancing communication reliability.
• Wireless Access Points: Powering wireless access points to extend network coverage without additional power sources.
• Industrial IoT Devices: Supporting the power needs of IoT devices in industrial settings, facilitating seamless connectivity and data transmission.

Conclusion of LTC4257CDD#TRPBF

The LTC4257CDD#TRPBF, despite being marked as obsolete, remains a robust solution for applications requiring Power over Ethernet functionality. Its compliance with the 802.3af standard, combined with its surface mount design and internal switches, makes it a reliable choice for various PoE applications. While newer models may offer additional features, the LTC4257CDD#TRPBF continues to provide efficient power management in environments where its specific capabilities are needed.