STMicroelectronics AN2783 PM8800 PoE Demonstration Kit Application Note

The PM8800 demonstration kit is a highly integrated device that embeds an IEEE802.3af compliant powered device (PD) interface together with a PWM controller and support for auxiliary sources.

Brand: STMicroelectronics
Document type: Application Note
Language: English
Pages: 47
File format: PDF
File size: 1.3 MB
Published: 06 August, 2012
Updated: 30 September, 2023
Model: PM8800
MD5 checksum: BA8F55933F57FD88886F8369B9C356B2
PDF: STMicroelectronics AN2783 PM8800 PoE Demonstration Kit Application Note PDF

About this manual

The document details the characteristics and performances of the PM8800 demonstration kit, which supports both standard (10W) and high power (up to 20W) PoE PD interface configurations. The kit is designed for isolated topologies with output voltages of 5V or 3.3V.

What's inside

Main features
Electrical specifications
Demonstration kit schematic
Bill of material
Power-Up sequence
Input Section
PoE Section
Power converter

Specifications

Output Voltage 3.3V	3.35 V +/- 100 mV at 3A
Output Voltage 5V	5.05 V +/- 100 mV at 2A
Switching Frequency	250 kHz typ +/- 10%
Input Voltage Range	30 V to 60 V at 10 W output

Frequently asked questions

What is the maximum output power for the high-power configuration?

The high-power configuration targets applications with output power in excess of the IEEE802.3af standard up to 20 W.

Does the kit support diode or synchronous rectification?

Yes, the PM8800 demonstration kit supports both diode and synchronous rectification options.

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