LTC4266AIUHF-3#PBF

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LTC4266AIUHF-3#PBF is a highly integrated 4A PoE (Power Over Ethernet) controller that provides a total power budget of up to 37.5W. It is a single-chip solution specifically designed and intended for use in applications where an extra power budget is required.

The LTC4266AIUHF-3#PBF functions as a two-stage PoE controller and works in conjunction with a class 1, 2, or 3 power supply module. The two-stage architecture allows for a higher EMI tolerance, providing robust performance and operation in noisy environments. The LTC4266AIUHF-3#PBF is ideal for powering mid-range PoE-enabled devices, such as high-speed IP cameras and Access Points (APs).

In addition to providing a higher power budget, the LTC4266AIUHF-3#PBF also provides a high efficiency, continuous conduction mode (CCM) synchronous switching power supply design. The CCM synchronous switching power supply allows for higher efficiency, lower EMI, and improved system performance.

The LTC4266AIUHF-3#PBF also has an adjustable constant current output, allowing for the precise control of the power budget. This feature is beneficial in applications where the precise power budget is required. The constant current output can be adjusted from 1A to 4A, which allows for precise control of power output to ensure maximum efficiency.

In addition to providing a high-efficiency power supply, the LTC4266AIUHF-3#PBF also provides a fully adjustable, high-frequency switching frequency of up to 350 kHz, allowing for the optimal trade-off between efficiency and performance. This allows the LTC4266AIUHF-3#PBF to achieve a high level of performance while maintaining a high level of efficiency at a reduced cost.

The LTC4266AIUHF-3#PBF offers a wide range of features to help customers design and implement their own PoE systems. It can be configured to support either DC or AC power supplies, allowing for flexibility in the power budget management. Additionally, the LTC4266AIUHF-3#PBF supports up to 4 PoE ports, allowing for some degree of expansion for multiple PoE-enabled devices.

With its 4A power budget and adjustable output, the LTC4266AIUHF-3#PBF is an ideal solution for powering medium to high-power PoE-enabled devices. Its compact size, high efficiency switching power supply design, and adjustable switching frequency provide a reliable and economical solution for PoE applications.

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