STEVAL-POE005V1

12V/8A, active clamp forward converter, Power Over Ethernet (PoE) IEEE 802.3bt compliant reference design
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$145.78

Key features
Features of the PM8805 PoE-PD interface: System in package integrating a double active bridge, a hot-swap MOSFET and a PoE-PD Supports legacy high power, 4-pair applications 100 V N-ch MOSFETs with 0.2 Ω total path resistance for each active bridge Identifies which kind of PSE (standard or legacy) is connected to, and provides successful IEEE802.3 af /at /bt classification indication as combination of the T0, T1 and T2 signals (open drain) Smart operational mode selection through the STBY, FAUX and RAUX control signals QFN 56 8x8mm package with 43 pins and 6 exposed pads Features of the PM8804 PWM controller: PWM peak current mode controller Input operating voltage up to 75 V Internal high voltage start up regulator with 20 mA capability Programmable fixed frequency up to 1 Mhz Soft start up with adjustable time Soft turn off (optionally disabled) Dual 1 A_PK, low side complementary gate drivers GATE2 optionally turned off for reduced consumption 80% maximum duty cycle with internal slope compensation QFN 16 3x3mm package with exposed pad

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