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MAX5940D - IEEE 802.3af PD Interface Controller

Download the MAX5940D datasheet PDF. This datasheet also covers the MAX5940A variant, as both devices belong to the same ieee 802.3af pd interface controller family and are provided as variant models within a single manufacturer datasheet.

Description

The MAX5940A/MAX5940B/MAX5940C/MAX5940D provide complete interface function for a powered device (PD) to comply with the IEEE 802.3af standard in a power-over-ethernet system.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MAX5940A_MaximIntegratedProducts.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

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Other Datasheets by Maxim Integrated (Analog Devices)

Part Number Description
MAX5940B IEEE 802.3af PD Interface Controller
MAX5940C IEEE 802.3af PD Interface Controller
MAX5941B IEEE 802.3af-Compliant Power-Over-Ethernet Interface/PWM Controller
MAX5942B IEEE 802.3af Power-Over-Ethernet Interface/PWM Controller
MAX5949A -48V Hot-Swap Controllers

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
19-2991; Rev 2; 2/06 EVAALVUAAILTAIOBNLEKIT IEEE 802.3af PD Interface Controller For Power-Over-Ethernet MAX5940A/MAX5940B/MAX5940C/MAX5940D General Description The MAX5940A/MAX5940B/MAX5940C/MAX5940D provide complete interface function for a powered device (PD) to comply with the IEEE 802.3af standard in a power-over-ethernet system. MAX5940A/MAX5940B/ MAX5940C/MAX5940D provide 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 lockout (UVLO) with wide hysteresis and powergood outputs. The MAX5940A/MAX5940B are available with an absolute maximum rating of 80V and the MAX5940C/MAX5940D are rated for an absolute maximum rating of 90V.
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