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SI3402-B - FULLY-INTEGRATED 802.3-COMPLIANT POE PD INTERFACE AND LOW-EMI SWITCHING REGULATOR

General Description

Point-of-sale terminals Internet appliances Network devices

The Si3402 integrates all power management and control functions required in a Power-over-Ethernet (PoE) powered device (PD) application.

Key Features

  • Pin-compatible replacement for the obsolete Si3402-A.
  • IEEE 802.3 standard-compliant solution, including pre-standard (legacy) PoE support.
  • Highly-integrated IC enables compact solution footprints.
  • Minimal external components.
  • Integrated diode bridges and transient surge suppressor.
  • Integrated switching regulator controller with on-chip power FET.
  • Integrated dual current-limited hotswap switch.
  • Programmable classification circuit.
  • Incorporates switc.

📥 Download Datasheet

Datasheet Details

Part number SI3402-B
Manufacturer Silicon Laboratories
File Size 1.13 MB
Description FULLY-INTEGRATED 802.3-COMPLIANT POE PD INTERFACE AND LOW-EMI SWITCHING REGULATOR
Datasheet download datasheet SI3402-B Datasheet

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Full PDF Text Transcription (Reference)

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Si3402-B FULLY-INTEGRATED 802.3-COMPLIANT POE PD INTERFACE AND LOW-EMI SWITCHING REGULATOR Features  Pin-compatible replacement for the obsolete Si3402-A  IEEE 802.3 standard-compliant solution, including pre-standard (legacy) PoE support  Highly-integrated IC enables compact solution footprints Minimal external components Integrated diode bridges and transient surge suppressor Integrated switching regulator controller with on-chip power FET Integrated dual current-limited hotswap switch  Programmable classification circuit  Incorporates switcher EMIreduction techniques.