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TPE15018 Key Features

  • patible with 802.3af Specifications
  • 100-V 0.56-Ω PD Input MOSFET
  • Active Clamp Primary-Side Regulated (PSR) Flyback
  • Active Clamp Secondary-Side Regulated (SSR)
  • 0.36-Ω and 0.78-Ω Integral Flyback MOSFETs
  • Programmable up to 650-kHz Frequency
  • 1.5-A Switching Current Limit
  • Output Diode pensation in PSR Mode
  • Programmable Soft-Start Time
  • Frequency Foldback during Startup and Protection

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TPE15018 Description

The device supports IEEE 802.3af standard interface and targets for small-size 13-W isolated PoE applications. The PD interface has all the functions of IEEE 802.3af, including detection, classification, inrush current, operation current limit, and 100-V hot-swap MOSFET. To achieve small size and high-switching frequency, the TPE1501x fly-back converter is specifically designed with active clamp primary-side...