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Evaluation Board, PoE PD Converter, PM8805, High Power, 5V, 20A Output


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Technical Datasheet:
STEVAL-POE003V1   Datasheet
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Product Overview

High power PoE PD, 5V up to 20A active clamp forward evaluation board. This evaluation board implements a PoE Class 8 converter that is compliant with the IEEE802.3bt standard. The PoE interface is based on the PM8805 PoE-PD interface and a DC-DC forward active clamp converter based on the PM8804 controller. The PM8805 system on package device embeds two active bridges and an IEEE802.3bt compliant Powered Device (PD) interface. It can be used in all medium-to-high power 2P and 4P high efficiency PoE and PoE+ applications such as point of sales and retail logistics devices. The PM8804 PWM controller represents an integrated solution for a smart and efficient 48 V converter, including a programmable oscillator for the switching frequency, adjustable slope compensation, dual complementary low-side drivers with programmable dead time, programmable soft start, soft turn off and a programmable current sense blanking time.


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