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MAX5941B - IEEE 802.3af-Compliant Power-Over-Ethernet Interface/PWM Controller

Download the MAX5941B datasheet PDF. This datasheet also covers the MAX5941A variant, as both devices belong to the same ieee 802.3af-compliant power-over-ethernet interface/pwm controller family and are provided as variant models within a single manufacturer datasheet.

General Description

The MAX5941A/MAX5941B integrate a complete power IC for powered devices (PD) in a power-over-ethernet (PoE) system.

The MAX5941A/MAX5941B provide a PD interface and a compact DC-DC PWM controller suitable for flyback and forward converters in either isolated or nonisolated designs.

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Note: The manufacturer provides a single datasheet file (MAX5941A_MaximIntegratedProducts.pdf) that lists specifications for multiple related part numbers.

Full PDF Text Transcription for MAX5941B (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for MAX5941B. For precise diagrams, and layout, please refer to the original PDF.

19-3069; Rev 4; 6/06 EVAALVUAAILTAIOBNLEKIT IEEE 802.3af-Compliant Power-Over-Ethernet Interface/PWM Controller for Power Devices MAX5941A/MAX5941B General Description Th...

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Controller for Power Devices MAX5941A/MAX5941B General Description The MAX5941A/MAX5941B integrate a complete power IC for powered devices (PD) in a power-over-ethernet (PoE) system. The MAX5941A/MAX5941B provide a PD interface and a compact DC-DC PWM controller suitable for flyback and forward converters in either isolated or nonisolated designs. The MAX5941A/MAX5941B PD interface complies with the IEEE 802.3af standard, providing the PD with a detection signature, a classification signature, and an integrated isolation switch with programmable inrush current control. These devices also feature power-mode undervoltage lo